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 5835-01-101-7650
NSN 6220-01-430-7021
NSN 7035-00-008-4173
NSN 5945-00-403-2532
NSN 2925-01-493-3245
NSN 5895-01-252-8831
NSN 6650-01-425-1934
NSN 5965-00-999-4334
NSN 5930-00-050-1682
NSN 6145-00-392-1975
NSN 5925-01-431-8886
NSN 4140-01-566-6614