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 6620-01-600-0479
NSN 6620-01-233-7466
NSN 5999-00-245-7239
NSN 5960-00-059-3082
NSN 4140-01-063-7192
NSN 5999-00-183-7687
NSN 6650-01-430-4126
NSN 5835-00-155-1379
NSN 5990-01-541-7671
NSN 6610-01-171-3010
NSN 6610-01-555-8364
NSN 5965-01-436-0390