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 5935-00-381-5772
NSN 5855-01-158-2709
NSN 6240-01-510-4744
NSN 2925-00-654-3206
NSN 6145-01-381-1303
NSN 5895-00-833-2525
NSN 6620-01-059-0876
NSN 5895-00-248-7477
NSN 5996-01-123-9038
NSN 5920-00-349-8837
NSN 5990-00-566-5987
NSN 6145-01-374-0440