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 5930-01-339-8733
NSN 5998-01-575-0353
NSN 5925-00-150-1072
NSN 6650-00-094-9410
NSN 6650-01-145-5173
NSN 6105-01-468-0532
NSN 5835-00-997-1703
NSN 6610-01-222-0582
NSN 6220-00-043-2559
NSN 6620-00-270-3275
NSN 5930-01-194-9883
NSN 5999-01-634-0576