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 4140-01-418-8717
NSN 5930-00-678-0071
NSN 5925-00-727-3832
NSN 5910-01-256-1523
NSN 6130-01-612-0538
NSN 5975-01-096-9614
NSN 5915-01-344-6525
NSN 6220-01-481-3827
NSN 5990-01-485-8874
NSN 6110-01-072-5399
NSN 5945-01-603-8822
NSN 6320-01-578-6006