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 4140-01-332-4970
NSN 5960-01-573-6483
NSN 5960-01-512-0233
NSN 5935-01-606-5603
NSN 5855-00-832-9341
NSN 6685-01-515-4809
NSN 6110-01-518-1035
NSN 5945-01-137-4092
NSN 5945-01-542-9010
NSN 4140-01-095-2719
NSN 6220-00-306-7239
NSN 5999-01-190-0969