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 6650-01-044-5057
NSN 5990-01-400-3299
NSN 6145-01-089-2651
NSN 5960-00-099-9790
NSN 5910-00-138-7604
NSN 5915-00-398-0677
NSN 6150-01-328-9813
NSN 6105-01-008-7896
NSN 5996-01-646-2465
NSN 5960-01-598-9072
NSN 6110-01-398-1502
NSN 5950-01-413-9085