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 5925-00-769-6869
NSN 5915-00-197-2223
NSN 5945-01-436-7582
NSN 6650-01-024-9554
NSN 5965-01-540-0743
NSN 6610-01-212-9817
NSN 5925-01-526-2208
NSN 5996-00-424-8883
NSN 5998-01-416-6242
NSN 6110-01-440-3296
NSN 5999-01-035-8700
NSN 6620-01-589-5411