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 5999-01-524-8532
NSN 2925-00-824-2186
NSN 5990-00-467-7431
NSN 5930-00-097-8683
NSN 5990-01-482-5950
NSN 5985-00-868-3391
NSN 6105-01-021-8491
NSN 7035-00-153-3826
NSN 5935-00-258-4667
NSN 5855-00-079-2370
NSN 6650-01-459-8575
NSN 5960-00-557-6951