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 5920-01-338-1410
NSN 5998-00-241-7763
NSN 5915-01-619-5740
NSN 5950-01-413-0793
NSN 5910-01-559-4073
NSN 6135-01-054-2462
NSN 5910-01-622-5674
NSN 5905-00-397-3032
NSN 6150-01-528-8150
NSN 6320-00-483-0451
NSN 5998-00-231-9658
NSN 5985-01-535-0969