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 5835-00-174-7763
NSN 5945-01-323-7171
NSN 6320-01-441-1371
NSN 6135-00-926-3503
NSN 7035-01-305-1950
NSN 6130-00-279-5058
NSN 5915-00-935-4984
NSN 5920-00-378-1395
NSN 6150-01-555-8580
NSN 6650-01-274-3828
NSN 5905-00-552-5478
NSN 5945-01-147-7145