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 6145-01-135-4930
NSN 5895-01-270-0524
NSN 2925-00-973-9413
NSN 5975-00-051-1711
NSN 2925-00-473-5834
NSN 5895-01-601-8759
NSN 4140-01-025-4911
NSN 6130-01-047-5153
NSN 4140-01-550-3438
NSN 5985-01-397-4941
NSN 5965-01-104-5102
NSN 5990-01-033-0051