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 5996-01-534-1325
NSN 5996-00-165-2247
NSN 5855-00-446-5921
NSN 6645-01-388-0391
NSN 5965-01-271-9990
NSN 5996-01-566-8201
NSN 6620-00-514-6365
NSN 5996-01-470-6975
NSN 4140-01-017-2184
NSN 6145-01-620-4126
NSN 5925-00-824-8089
NSN 6150-01-284-1052