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 5935-01-019-3866
NSN 5835-01-319-4636
NSN 5999-01-557-2968
NSN 5960-00-099-9790
NSN 5920-00-905-1831
NSN 5999-01-541-5200
NSN 5975-01-518-5842
NSN 5950-01-051-1291
NSN 5920-01-418-0863
NSN 5905-00-151-6653
NSN 6645-01-147-2089
NSN 6650-01-322-4415