A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 5985-01-634-0635
NSN 6130-00-318-8115
NSN 5990-01-612-5323
NSN 6145-01-283-3647
NSN 6610-00-783-8786
NSN 5975-01-492-4309
NSN 5930-01-469-6480
NSN 5990-00-864-6513
NSN 2925-01-064-3729
NSN 5925-01-513-9924
NSN 5905-01-564-7693
NSN 6130-01-022-4884