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 6645-01-152-5207
NSN 6320-01-564-0893
NSN 5950-01-195-7310
NSN 6135-00-050-7189
NSN 5935-01-569-5314
NSN 6685-01-454-3339
NSN 6135-00-062-5080
NSN 6110-00-456-2058
NSN 5910-01-542-5528
NSN 5950-00-348-6740
NSN 5998-01-208-4913
NSN 5920-01-484-9924