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 6645-01-505-5772
NSN 5895-01-495-4471
NSN 5998-01-033-3804
NSN 6135-01-413-4747
NSN 5985-00-190-4781
NSN 6650-01-268-5771
NSN 5960-00-958-3154
NSN 6610-01-487-6843
NSN 6110-00-226-8792
NSN 5965-01-148-4979
NSN 5996-00-456-0895
NSN 5920-01-381-3115