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 5930-01-028-9719
NSN 6110-01-167-6865
NSN 5990-00-402-0564
NSN 5998-01-155-6487
NSN 6620-01-474-1890
NSN 5855-00-198-3197
NSN 5910-01-083-9577
NSN 5990-01-407-1474
NSN 6320-01-643-0850
NSN 5999-01-024-8905
NSN 5965-01-375-5238
NSN 2925-00-880-4061