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 for spark-ignition internal combustion piston engines, nesoi
NSN 4140-01-308-6651
NSN 2925-01-348-3206
NSN 5915-00-673-3221
NSN 5965-01-122-1661
NSN 5935-00-989-7911
NSN 6110-01-094-0822
NSN 6620-01-633-8443
NSN 6645-01-313-1215
NSN 5990-00-518-3195
NSN 6105-01-121-4596
NSN 2925-00-896-9819
NSN 7035-00-117-0418