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 5950-01-594-6456
NSN 6240-01-377-5503
NSN 5990-00-689-5736
NSN 6110-01-137-1976
NSN 6685-01-064-6518
NSN 5930-01-335-6903
NSN 5950-01-516-9701
NSN 6650-01-272-9746
NSN 6220-00-232-4436
NSN 5855-01-445-6551
NSN 6105-00-929-4385
NSN 5910-01-546-3303