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 5855-01-049-0175
NSN 6240-01-394-5320
NSN 6135-01-593-4212
NSN 6320-01-495-0512
NSN 5915-00-945-7494
NSN 5960-01-564-5044
NSN 6220-00-466-2681
NSN 5960-01-598-9072
NSN 5998-01-164-1899
NSN 5905-01-094-6735
NSN 5960-01-512-0233
NSN 6650-01-146-5000