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 5998-01-643-9019
NSN 5950-01-381-1299
NSN 6650-00-012-2430
NSN 5975-00-392-5933
NSN 6150-01-461-0601
NSN 5935-01-519-2242
NSN 6135-01-052-9634
NSN 5930-00-406-4777
NSN 5965-01-474-5654
NSN 5990-01-386-5561
NSN 5996-01-279-9841
NSN 5920-01-386-5798