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 5999-01-023-2790
NSN 5975-01-442-8767
NSN 5945-01-462-0703
NSN 5945-01-539-3910
NSN 6240-00-038-7540
NSN 6650-01-576-8520
NSN 5996-01-330-0684
NSN 5960-01-323-6432
NSN 5998-00-827-1957
NSN 5835-01-043-1576
NSN 4140-01-624-6592
NSN 5999-01-395-7589