CGA-110 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Short, PN: SEQ1104SS. This is a CGA-110 to 1/4" MNPT stainless steel fitting with included Teflon washer. Nipple length is 1.25 in. This size CGA fitting is typically used to connect regulators to small compressed gas cylinders (lecture bottles) in labs working with small quantities of gases or specialty gases. This CGA-110 fitting, PN: SEQ1104SS, is rated for use with all types of gases in small cylinders up to 3000 psig. The Teflon washer is not typically reuseable. See part number P1012967 for replacement washers. CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-170 Gas Regulator Inlet to 1/8" Male NPT Fitting, Stainless Steel, Short, PN: SEQ1702SS. This is a CGA-170 to 1/8" MNPT stainless steel fitting with included Teflon washer. Nipple length is 1.25 in. This size CGA fitting is typically used to connect regulators to small compressed gas cylinders (lecture bottles) in labs working with small quantities of gases or specialty gases. This CGA-170 fitting, PN: SEQ1702SS, is rated for use with non-corrosive gases in small cylinders up to 3000 psig. The Teflon washer is not typically reuseable. See part number P1012968 for replacement washers. CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-180 Gas Regulator Inlet to 1/8" Male NPT Fitting, Stainless Steel, Short, PN: SEQ1802SS. This is a CGA-180 to 1/8" MNPT stainless steel fitting with included Teflon washer. Nipple length is 1.25 in. This size CGA fitting is typically used to connect regulators to small compressed gas cylinders (lecture bottles) in labs working with small quantities of gases or specialty gases. This CGA-180 fitting, PN: SEQ1802SS, is rated for use with all types of gases in small cylinders up to 3000 psig. The Teflon washer is not typically reuseable. See part number P1012969 for replacement washers. CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-240 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Short, PN: SEQ2404SS. This is a CGA-240 to 1/4" MNPT stainless steel fitting. Nipple length is 3.5 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and a maximum pressure of 500 psig. This CGA-240 fitting, PN: SEQ2404SS, is rated for use with the gases listed below. CGA-240 for use with: Ammonia CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-296 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Long, PN: SEQ3204SSL. This is a CGA-296 to 1/4" MNPT stainless steel fitting. Nipple length is 3.5 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and a maximum pressure of 3000 psig. This CGA-296 fitting, PN: SEQ3204SSL, is rated for use with the gases listed below. CGA-296 for use with: Certain Oxidizing Mixtures CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-320 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Long, PN: SEQ3204SSL. This is a LONG CGA-320 to 1/4" MNPT stainless steel fitting with included Teflon washer. Nipple length is 2.5 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a flat gasketed seal and a maximum pressure of 3000 psig. This CGA-320 fitting, PN: SEQ3204SSL, is rated for use with the gases listed below. The Teflon washer is not typically reuseable. See part number P1012970 for replacement washers. CGA-320 for use with: Carbon Dioxide Methyl Fluoride CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-320 Gas Regulator Inlet to 1/4" Male NPT Fitting, Nickel-Plated Brass, Long, PN: SEQ3204BPL. This is a LONG CGA-320 to 1/4" MNPT nickel-plated brass fitting with included Teflon washer. Nipple length is 3.0 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a flat gasketed seal and a maximum pressure of 3000 psig. This CGA-320 fitting, PN: SEQ3204BPL, is rated for use with the gases listed below. The Teflon washer is not typically reuseable. See part number P1012970 for replacement washers. CGA-320 for use with: Carbon Dioxide CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-320 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Short, PN: SEQ3204SS. This is a SHORT CGA-320 to 1/4" MNPT stainless steel fitting with included Teflon washer. Nipple length is 1.75 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a flat gasketed seal and a maximum pressure of 3000 psig. This CGA-320 fitting, PN: SEQ3204SSL, is rated for use with the gases listed below. The Teflon washer is not typically reuseable. See part number P1012970 for replacement washers. CGA-320 for use with: Carbon Dioxide Methyl Fluoride CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-326 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Long, PN: SEQ3264SSL. This is a long CGA-326 to 1/4" MNPT stainless steel fitting. Nipple length is 3.0 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and a maximum pressure of 3000 psig. This CGA-326 fitting, PN: SEQ3264SSL, is rated for use with the gases listed below. CGA-326 for use with: Nitrous Oxide CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-326 Gas Regulator Inlet to 1/4" Male NPT Fitting, Nickel-Plated Brass, Long, PN: SEQ3264BPL. This is a long CGA-326 to 1/4" MNPT nickel-plated brass fitting. Nipple length is 3.0 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and a maximum pressure of 3000 psig. This CGA-326 fitting, PN: SEQ3264BPL, is rated for use with the gases listed below. CGA-326 for use with: Nitrous Oxide CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-330 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Long, PN: SEQ3204SSL. This is a LONG CGA-330 to 1/4" MNPT stainless steel fitting with left-handed threads and included Teflon washer. Nipple length is 2.5 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a flat gasketed seal and a maximum pressure of 3000 psig. This CGA-330 fitting, PN: SEQ3304SSL, is rated for use with the gases listed below. The Teflon washer is not typically reuseable. See part number P1012970 for replacement washers. CGA-330 for use with: Hydrogen Chloride Hydrogen Bromide Antimony Pentafluoride Boron Trifluoride Carbonyl Sulfide Deuterium Chloride Deuterium Sulfide Hexafluoroacetone Hydrogen Bromide Hydrogen Chloride Hydrogen Iodide Hydrogen Sulfide Methyl Bromide Methyl Mercaptan Nitrogen Trifluoride Nitrosyl Chloride Nitrosyl Fluoride Nitryl Fluoride Phenylcarbylamine Chloride Phosphorous Pentafluoride Phosphorous Trifluoride Silicon Tetrafluoride Sulfur Tetrafluoride Trifluoroacetyl Chloride Uranium Hexafluoride CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-330 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Short, PN: SEQ3304SS. This is a SHORT CGA-330 to 1/4" MNPT stainless steel fitting with left-handed threads and included Teflon washer. Nipple length is 1.75 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a flat gasketed seal and a maximum pressure of 3000 psig. This CGA-330 fitting, PN: SEQ3304SS, is rated for use with the gases listed below. The Teflon washer is not typically reuseable. See part number P1012970 for replacement washers. CGA-330 for use with: Hydrogen Chloride Hydrogen Bromide Antimony Pentafluoride Boron Trifluoride Carbonyl Sulfide Deuterium Chloride Deuterium Sulfide Hexafluoroacetone Hydrogen Bromide Hydrogen Chloride Hydrogen Iodide Hydrogen Sulfide Methyl Bromide Methyl Mercaptan Nitrogen Trifluoride Nitrosyl Chloride Nitrosyl Fluoride Nitryl Fluoride Phenylcarbylamine Chloride Phosphorous Pentafluoride Phosphorous Trifluoride Silicon Tetrafluoride Sulfur Tetrafluoride Trifluoroacetyl Chloride Uranium Hexafluoride CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-346 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Long, PN: SEQ3464SSL. This is a long CGA-346 to 1/4" MNPT stainless steel fitting. Nipple length is 3.0 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and a maximum pressure of 3000 psig. This CGA-346 fitting, PN: SEQ3464SSL, is rated for use with the gases listed below. CGA-346 for use with: Breathing Air CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-346 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Short, PN: SEQ3464SS. This is a short CGA-346 to 1/4" MNPT stainless steel fitting. Nipple length is 2.25 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and a maximum pressure of 3000 psig. This CGA-346 fitting, PN: SEQ3464SS, is rated for use with the gases listed below. CGA-346 for use with: Breathing Air CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-350 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Long, PN:SEQ3504SSL. This is a long CGA-350 to 1/4" MNPT stainless steel fitting with left-handed threads. Nipple length is 3.0 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and a maximum pressure of 3000 psig. This CGA-350 fitting, PN: SEQ3504SSL, is rated for use with the gases listed below. CGA-350 for use with: Hydrogen Methane Carbon Monoxide Arsine Deuterium Deuterium Selenide Diborane 1,1 Difluoroethylene Ethane Ethylene Germane Hydrogen Selenide Methyl Fluoride Methylene Fluoride Natural Gas Pentaborane Phosphine Silane Stibine Tetrafluoroethylene Vinyl Fluoride CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-350 Gas Regulator Inlet to 1/4" Male NPT Fitting, Nickel-Plated Brass, Long, PN: SEQ3504BPL. This is a long CGA-350 to 1/4" MNPT nickel-plated brass fitting with left-handed threads. Nipple length is 3.0 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and a maximum pressure of 3000 psig. This CGA-350 fitting, PN: SEQ3504BpL, is rated for use with the gases listed below. CGA-350 for use with: Hydrogen Methane Carbon Monoxide Arsine Deuterium Deuterium Selenide Diborane 1,1 Difluoroethylene Ethane Ethylene Germane Hydrogen Selenide Methyl Fluoride Methylene Fluoride Natural Gas Pentaborane Phosphine Silane Stibine Tetrafluoroethylene Vinyl Fluoride CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-350 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Short, PN:SEQ3504SS. This is a short CGA-350 to 1/4" MNPT stainless steel fitting with left-handed threads. Nipple length is 2.25 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and a maximum pressure of 3000 psig. This CGA-350 fitting, PN: SEQ3504SS, is rated for use with the gases listed below. CGA-350 for use with: Hydrogen Methane Carbon Monoxide Arsine Deuterium Deuterium Selenide Diborane 1,1 Difluoroethylene Ethane Ethylene Germane Hydrogen Selenide Methyl Fluoride Methylene Fluoride Natural Gas Pentaborane Phosphine Silane Stibine Tetrafluoroethylene Vinyl Fluoride CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-510 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Long, PN: SEQ5104SSL. This is a long CGA-510 to 1/4" MNPT stainless steel fitting with left-handed threads. Nipple length is 3.5 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and included Viton O-ring and a maximum pressure of 500 psig. This CGA-510 fitting, PN: SEQ5104SSL, is rated for use with the gases listed below. CGA-510 for use with: Acetylene Allene Bromotrifluoroethylene 1,3-Butadiene Butane 1-Butene 2-Butene 1-Chloro-1,1-difluoroethane Chlorofluoromethane Chlorotrifluoroethylene Cyclobutane Cyclopropane Diethylzinc 1,1-Difluoroethane Dimethyl Ether 2,2 Dimethylpropane Ethylacetylene Ethylene Oxide Ethyl Ether Isobutane Isobutylene Methane Methylacetylene 3-Methyl-1-Butene Methyl Chloride Methyl Ethyl Ether Natural Gas, Propane Propylene Silane Triethylaluminum 1,1,1 Trifluoroethane Trifluoroethylene Vinyl Bromide Vinyl Chloride Vinyl Methyl Ether CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-510 Gas Regulator Inlet to 1/4" Male NPT Fitting, Nickel-Plated Brass, Long, PN: SEQ5104BPL. This is a long CGA-510 to 1/4" MNPT nickel-plated brass fitting with left-handed threads. Nipple length is 3.5 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and included Viton O-ring and a maximum pressure of 500 psig. This CGA-510 fitting, PN: SEQ5104SSL, is rated for use with the gases listed below. CGA-510 for use with: Acetylene Allene Bromotrifluoroethylene 1,3-Butadiene Butane 1-Butene 2-Butene 1-Chloro-1,1-difluoroethane Chlorofluoromethane Chlorotrifluoroethylene Cyclobutane Cyclopropane Diethylzinc 1,1-Difluoroethane Dimethyl Ether 2,2 Dimethylpropane Ethylacetylene Ethylene Oxide Ethyl Ether Isobutane Isobutylene Methane Methylacetylene 3-Methyl-1-Butene Methyl Chloride Methyl Ethyl Ether Natural Gas, Propane Propylene Silane Triethylaluminum 1,1,1 Trifluoroethane Trifluoroethylene Vinyl Bromide Vinyl Chloride Vinyl Methyl Ether CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-510 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Short, PN: SEQ5104SS. This is a short CGA-510 to 1/4" MNPT stainless steel fitting with left-handed threads. Nipple length is 2.63 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and included Viton O-ring and a maximum pressure of 500 psig. This CGA-510 fitting, PN: SEQ5104SS, is rated for use with the gases listed below. CGA-510 for use with: Acetylene Allene Bromotrifluoroethylene 1,3-Butadiene Butane 1-Butene 2-Butene 1-Chloro-1,1-difluoroethane Chlorofluoromethane Chlorotrifluoroethylene Cyclobutane Cyclopropane Diethylzinc 1,1-Difluoroethane Dimethyl Ether 2,2 Dimethylpropane Ethylacetylene Ethylene Oxide Ethyl Ether Isobutane Isobutylene Methane Methylacetylene 3-Methyl-1-Butene Methyl Chloride Methyl Ethyl Ether Natural Gas, Propane Propylene Silane Triethylaluminum 1,1,1 Trifluoroethane Trifluoroethylene Vinyl Bromide Vinyl Chloride Vinyl Methyl Ether CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-540 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Long, PN: SEQ5404SSL. This is a long CGA-540 to 1/4" MNPT stainless steel fitting. Nipple length is 3.0 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and a maximum pressure of 3000 psig. This CGA-540 fitting, PN: SEQ5404SSL, is rated for use with the gases listed below. CGA-540 for use with: Oxygen CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-540 Gas Regulator Inlet to 1/4" Male NPT Fitting, Nickel-Plated Brass, Long, PN: SEQ5404BPL. This is a long CGA-540 to 1/4" MNPT nickel-plated brass fitting. Nipple length is 3.0 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and a maximum pressure of 3000 psig. This CGA-540 fitting, PN: SEQ5404BPL, is rated for use with the gases listed below. CGA-540 for use with: Oxygen CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-540 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Short, PN: SEQ5404SS. This is a short CGA-540 to 1/4" MNPT stainless steel fitting. Nipple length is 2.25 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and a maximum pressure of 3000 psig. This CGA-540 fitting, PN: SEQ5404SS, is rated for use with the gases listed below. CGA-540 for use with: Oxygen CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-580 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Short, Cleaned for O2 Use, PN: SEQ5804SS. This is a short CGA-580 to 1/4" MNPT stainless steel fitting. Nipple length is 2.63 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and included Viton O-ring and a maximum pressure of 3000 psig. This CGA-580 fitting, PN: SEQ5804SS, is rated for use with the gases listed below. CGA-580 for use with: Specially Cleaned and approved for Oxygen Use Argon Helium Krypton Neon Nitrogen Tetrafluoromethane Xenon CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-580 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Long, PN: SEQ5804SSL. This is a long CGA-580 to 1/4" MNPT stainless steel fitting. Nipple length is 3.5 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and included Viton O-ring and a maximum pressure of 3000 psig. This CGA-580 fitting, PN: SEQ5804SSL, is rated for use with the gases listed below. CGA-580 for use with: Argon Helium Krypton Neon Nitrogen Tetrafluoromethane Xenon CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-580 Gas Regulator Inlet to 1/4" Male NPT Fitting, Nickel-Plated Brass, Long, PN: SEQ5804BPL. This is a long CGA-580 to 1/4" MNPT nickel-plated brass fitting. Nipple length is 3.5 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and included Viton O-ring and a maximum pressure of 3000 psig. This CGA-580 fitting, PN: SEQ5804BPL, is rated for use with the gases listed below. CGA-580 for use with: Argon Helium Krypton Neon Nitrogen Tetrafluoromethane Xenon CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-590 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Short, Cleaned for O2 Use, PN: SEQ5904SS. This is a short CGA-590 to 1/4" MNPT stainless steel fitting. Nipple length is 2.63 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and included Viton O-ring and a maximum pressure of 3000 psig. This CGA-590 fitting, PN: SEQ5904SS, is rated for use with the gases listed below. CGA-590 for use with: Specially Cleaned and approved for Oxygen Use Zero Air Sulfer Hexafluoride CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-590 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Long, PN: SEQ5904SSL. This is a long CGA-590 to 1/4" MNPT stainless steel fitting. Nipple length is 3.5 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and included Viton O-ring and a maximum pressure of 3000 psig. This CGA-590 fitting, PN: SEQ5904SSL, is rated for use with the gases listed below. CGA-590 for use with: Zero Air Sulfer Hexafluoride CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-590 Gas Regulator Inlet to 1/4" Male NPT Fitting, Nickel-Plated Brass, Long, PN: SEQ5904BPL. This is a long CGA-590 to 1/4" MNPT nickel-plated brass fitting. Nipple length is 3.5 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and included Viton O-ring and a maximum pressure of 3000 psig. This CGA-590 fitting, PN: SEQ5904BPL, is rated for use with the gases listed below. CGA-590 for use with: Zero Air Sulfer Hexafluoride CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-660 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Short, Cleaned for Oxygen Use, PN: SEQ6604SS. This is a SHORT CGA-660 to 1/4" MNPT stainless steel fitting and included Teflon washer. Nipple length is 1.88 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a flat gasketed seal and a maximum pressure of 3000 psig. This CGA-660 fitting, PN: SEQ6604SSL, is rated for use with the gases listed below. The Teflon washer is not typically reuseable. See part number P1012972 for replacement washers. CGA-660 for use with: Specially Cleaned and approved for Oxygen Use Ammonia Chlorine Sulfer Dioxide CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-660 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Long, PN: SEQ6604SSL. This is a LONG CGA-660 to 1/4" MNPT stainless steel fitting and included Teflon washer. Nipple length is 3.5 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a flat gasketed seal and a maximum pressure of 3000 psig. This CGA-660 fitting, PN: SEQ6604SSL, is rated for use with the gases listed below. The Teflon washer is not typically reuseable. See part number P1012972 for replacement washers. CGA-660 for use with: Ammonia Chlorine Sulfer Dioxide CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-695 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Short, Cleaned for O2 Use, PN: SEQ69544SS. This is a short CGA-695 to 1/4" MNPT stainless steel fitting with left-handed threads. Nipple length is 3.5 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a metal-to-metal seal and a maximum pressure of 4700 psig. This CGA-695 fitting, PN: SEQ69544SS, is rated for use with the gases listed below. CGA-695 for use with: Specially Cleaned and approved for Oxygen Use Hydrogen Methane CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-705 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Short, Cleaned for Oxygen Use, PN: SEQ7054SS. This is a SHORT CGA-705 to 1/4" MNPT stainless steel fitting and included Teflon washer. Nipple length is 3.0 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a flat gasketed seal and a maximum pressure of 3000 psig. This CGA-705 fitting, PN: SEQ7054SS, is rated for use with the gases listed below. The Teflon washer is not typically reuseable. See part number P1012975 for replacement washers. CGA-705 for use with: Specially Cleaned and approved for Oxygen Use Ammonia CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.

CGA-705 Gas Regulator Inlet to 1/4" Male NPT Fitting, Stainless Steel, Long, PN: SEQ7054SSL. This is a LONG CGA-705 to 1/4" MNPT stainless steel fitting and included Teflon washer. Nipple length is 3.5 in. This size CGA fitting is used to connect regulators to compressed gas cylinders with a flat gasketed seal and a maximum pressure of 3000 psig. This CGA-705 fitting, PN: SEQ7054SSL, is rated for use with the gases listed below. The Teflon washer is not typically reuseable. See part number P1012975 for replacement washers. CGA-705 for use with: Ammonia CGA fittings are standardized and authorized for the attachment of regulators and transfer lines to gas cylinders filled with specific gases at defined maximum pressures. The three digit number, CGA (XXX), corresponds to the specific gases for which that fitting is tailored (see the downloads). Connections to cylinders should never be forced. CGA fittings mated between regulator and cylinder never use pipe dope or PTFE tape. CGA connections use either a bullet-nose or gasketed seal. The bullet nose connection has a metal-to-metal contact and seal. Some bullet-nose connections have an o-ring to help improve the seal and to allow a connection to be made without a wrench (hand-tight connections). A gasketd connection requires a flat washer to make the seal. CGA fittings are available in several materials including brass, stainless steel, nickel or chrome-plated brass, and Monel. The CGA fitting material to use depends on the gas and cylinder pressure.