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 6685-00-169-6505
NSN 6645-01-068-6052
NSN 6105-01-388-1926
NSN 5998-01-378-6291
NSN 5895-01-535-1003
NSN 6685-01-562-1954
NSN 5996-00-558-6491
NSN 5925-01-054-4226
NSN 5998-00-469-7505
NSN 5975-01-603-3614
NSN 5999-01-041-8971
NSN 6645-01-120-4988