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 nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5935-00-226-6687
NSN 5998-00-670-0369
NSN 5999-01-226-1929
NSN 5920-01-290-3771
NSN 6150-00-241-5439
NSN 6645-01-032-5337
NSN 5835-00-443-1079
NSN 6135-00-284-1406
NSN 5835-00-231-9544
NSN 6150-00-252-8036
NSN 6150-00-633-7160
NSN 5999-01-597-0920