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 5905-01-244-3432
NSN 6650-00-773-2030
NSN 6105-01-585-1559
NSN 5999-00-104-5582
NSN 6150-01-510-1844
NSN 5950-01-221-8570
NSN 5945-01-381-2038
NSN 6150-01-320-9191
NSN 5998-01-634-0604
NSN 4140-00-142-2491
NSN 6650-01-184-9238
NSN 6610-00-136-2411