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 5910-01-336-5332
NSN 5945-01-335-5259
NSN 6135-00-271-0407
NSN 5998-01-317-3493
NSN 6110-01-212-1962
NSN 5920-01-642-0077
NSN 6135-00-062-5080
NSN 5935-00-924-5229
NSN 5920-01-094-4327
NSN 5920-01-576-9869
NSN 5985-00-188-9665
NSN 6620-01-087-4361