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 6685-00-641-0189
NSN 5945-00-768-0120
NSN 5855-01-352-7033
NSN 4140-00-296-9695
NSN 6650-01-442-0267
NSN 4140-01-631-4747
NSN 7035-00-232-4043
NSN 4140-01-438-7053
NSN 5855-01-620-3063
NSN 6110-01-511-5304
NSN 6220-01-530-3265
NSN 5920-01-213-9090