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 5998-01-412-1656
NSN 6135-01-297-5565
NSN 6320-01-425-1417
NSN 5999-01-023-1633
NSN 5910-00-919-5524
NSN 5945-01-203-8019
NSN 5855-01-141-8227
NSN 6650-01-483-0938
NSN 6105-00-400-0734
NSN 4140-01-483-0477
NSN 5975-01-647-7732
NSN 5950-01-521-7053