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 5965-01-107-0950
NSN 5998-01-526-3991
NSN 5998-01-109-8758
NSN 6650-00-597-7313
NSN 5930-01-290-4105
NSN 5990-00-110-1153
NSN 5998-01-180-5198
NSN 7035-01-076-4067
NSN 6105-01-544-5601
NSN 5945-00-544-9858
NSN 5975-01-593-8009
NSN 4140-00-751-1694