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 5945-01-579-7073
NSN 5930-01-119-5797
NSN 5996-00-401-4502
NSN 5965-01-328-9765
NSN 5975-01-056-1421
NSN 5855-00-256-5562
NSN 7035-01-174-1029
NSN 5996-01-570-4583
NSN 6130-00-116-8170
NSN 4140-01-390-1729
NSN 5990-01-462-1617
NSN 6130-01-255-2351