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 5935-00-552-6771
NSN 5985-00-387-5974
NSN 5999-00-294-9241
NSN 5925-00-416-8226
NSN 5895-01-119-1601
NSN 5975-01-286-5850
NSN 5998-01-137-0289
NSN 5945-01-226-3206
NSN 6220-00-397-3335
NSN 5945-00-884-1976
NSN 6150-01-323-6378
NSN 5915-01-364-1093