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 2925-00-144-6405
NSN 5960-01-370-4285
NSN 5975-01-584-7459
NSN 6130-00-161-2418
NSN 6135-01-142-2417
NSN 5975-01-401-5355
NSN 6110-01-393-5093
NSN 5985-00-501-2866
NSN 5935-00-178-8090
NSN 6620-00-992-5876
NSN 6650-00-161-4122
NSN 5930-01-467-0462