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 5999-01-018-8014
NSN 5935-01-408-0638
NSN 6650-00-197-7563
NSN 5975-01-316-4544
NSN 5895-01-217-7322
NSN 6620-01-526-1478
NSN 5999-00-396-1319
NSN 5895-01-351-1441
NSN 5945-01-144-3034
NSN 5945-01-059-7074
NSN 6130-01-294-0387
NSN 5950-01-334-0994