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 5930-01-328-5451
NSN 5920-00-817-3387
NSN 6220-01-207-1229
NSN 6130-00-900-8134
NSN 5930-01-557-6219
NSN 6620-00-575-9230
NSN 5915-01-612-1871
NSN 5905-00-876-3209
NSN 6620-00-126-5072
NSN 2925-01-127-0167
NSN 6135-01-442-7275
NSN 5975-00-207-3416