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 5985-00-652-1631
NSN 5990-01-095-8866
NSN 6110-00-734-4692
NSN 6620-00-096-6306
NSN 5985-01-211-2186
NSN 4140-00-601-0866
NSN 6650-01-423-1348
NSN 6130-01-275-7116
NSN 2925-01-477-8037
NSN 6620-00-555-3992
NSN 5920-00-231-8950
NSN 5950-00-529-0264