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 5935-00-965-6303
NSN 5895-01-320-2304
NSN 5915-00-070-7740
NSN 6135-01-014-9755
NSN 6620-00-762-0349
NSN 5960-00-699-8146
NSN 2925-01-129-1261
NSN 6145-01-017-2239
NSN 5935-01-148-3972
NSN 6650-00-255-1401
NSN 6145-00-722-5932
NSN 6150-01-461-9323