This is a package of five O-rings for CGA-510, CGA-580, and CGA-590 gas regulator inlets. These CGA fittings have a metal-to-metal seal and use an O-ring on the bullet-nose to improve the seal. The O-ring should be replaced whenever the fitting is removed from the regulator. Dimensions:Inside Diameter: 7/16 in.Outside Diameter: 9/16 in.Thickness: 1/16 in. See part numbers P109516, P109517 and P1012030 for CGA-510 fittings. See part numbers P1011175, P109520, and P9521 for CGA-580 fittings. See part numbers P1011176, P109522 and P109523 for CGA-590 fittings. 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).

This is a replacement Teflon sealing washer for a CGA-110 gas regulator inlet fitting. The CGA 110 fitting has a gasketed connection that requires a flat washer to make the seal. The washer is typically not resueable, so its good to keep a few spares on hand. Dimensions:Inside Diameter: 0.320 in.Outside Diameter: 0.528 in.Thickness: 0.060 in. See part number P1010961 for the CGA-110 to 1/4" Male NPT fitting, short, made of stainless steel. 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).

This is a replacement Teflon sealing washer for a CGA-170 gas regulator inlet fitting. The CGA 170 fitting has a gasketed connection that requires a flat washer to make the seal. The washer is typically not resueable, so it's good to keep a few spares on hand. The CGA-170 size gas regulator fitting is authorized for use with non-corrosive gases and is used to connect regulators to small compressed gas cylinders (lecture bottles) in labs working with small quantities of gases or specialty gases. Dimensions:Inside Diameter: 0.187 in.Outside Diameter: 0.427 in.Thickness: 0.105 in. See part number P1012039 for the CGA-170 to 1/8" Male NPT fitting, short, made of stainless steel.

This is a replacement Teflon sealing washer for a CGA-180 gas regulator inlet fitting. The CGA 180 fitting has a gasketed connection that requires a flat washer to make the seal. The washer is typically not resueable, so it's good to keep a few spares on hand. The CGA-180 size gas regulator fitting is authorized for all gases and is used to connect regulators to small compressed gas cylinders (lecture bottles) in labs working with small quantities of gases or specialty gases. Dimensions:Inside Diameter: 0.320 in.Outside Diameter: 0.444 in.Thickness: 0.100 in. See part number P1010960 for the CGA-180 to 1/8" Male NPT fitting, short, made of stainless steel.

This is a replacement Teflon sealing washer for a CGA-320 or a CGA-330 gas regulator inlet fitting. CGA 320 and CGA-330 fittings have a gasketed connection that requires a flat washer to make the seal. The washer is typically not resueable, so it's good to keep a few spares on hand. Dimensions:Inside Diameter: 0.250 in.Outside Diameter: 0.703 in.Thickness: 0.094 in. CGA-320 and CGA-330 sized gas regulator fitting are authorized for use on regulators containing specific gases at specified maximum pressures. Please check the specific CGA fitting for a list of appropriate gases for which it is authorized. Also check the downloads. See part number P109508 for the CGA-320 to 1/4" Male NPT fitting, long, made of stainless steel.

This is a replacement Teflon sealing washer for a CGA-660 or a CGA-670 gas regulator inlet fitting. CGA 660 and CGA-670 fittings have a gasketed connection that requires a flat washer to make the seal. The washer is typically not resueable, so it's good to keep a few spares on hand. Dimensions:Inside Diameter: 0.382 in.Outside Diameter: 0.937 in.Thickness: 0.062 in. CGA-660 and CGA-670 sized gas regulator fitting are authorized for use on regulators containing specific gases at specified maximum pressures. Please check the specific CGA fitting for a list of appropriate gases for which it is authorized. Also check the downloads. See part number P1011177 for the CGA-660 to 1/4" Male NPT fitting, short, made of stainless steel, cleaned for O

This is a replacement Teflon sealing washer for a CGA-678 gas regulator inlet fitting. CGA 678 fittings have a gasketed connection that requires a flat washer to make the seal. The washer is typically not resueable, so it's good to keep a few spares on hand. Dimensions:Inside Diameter: 0.295 in.Outside Diameter: 0.609 in.Thickness: 0.064 in. CGA-678 sized gas regulator fitting are authorized for use on regulators containing specific gases at specified maximum pressures. Please check the downloads for a list of appropriate gases for which it is authorized. 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).

This is a replacement Teflon sealing washer for a CGA-705 gas regulator inlet fitting. CGA 705 fittings have a gasketed connection that requires a flat washer to make the seal. The washer is typically not resueable, so it's good to keep a few spares on hand. Dimensions:Inside Diameter: 0.554 in.Outside Diameter: 0.937 in.Thickness: 0.062 in. CGA-705 sized gas regulator fitting are authorized for use on regulators containing specific gases at specified maximum pressures. Please check the specific CGA fitting for a list of appropriate gases for which it is authorized. Also check the downloads. See part number P1011180 for the CGA-705 to 1/4" Male NPT fitting, short, made of stainless steel, cleaned for O