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 5950-00-597-3661
NSN 5990-01-138-1481
NSN 6150-01-351-2156
NSN 6320-01-399-6177
NSN 6135-01-046-6803
NSN 5935-01-023-8067
NSN 5920-01-112-0730
NSN 5965-00-898-1356
NSN 6135-00-735-8530
NSN 5920-01-024-4431
NSN 5945-01-633-9134
NSN 5945-01-486-5541