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 6105-01-069-2911
NSN 6610-01-398-8815
NSN 5855-01-443-0381
NSN 5998-01-342-3112
NSN 5920-00-717-6839
NSN 5985-01-209-1642
NSN 6650-01-399-8552
NSN 5985-01-460-4463
NSN 6240-01-199-2374
NSN 5925-00-921-1171
NSN 7035-00-231-2871
NSN 5960-01-339-0008