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 compression-ignition internal combustion piston engines (diesel), nesoi
NSN 6620-01-623-7266
NSN 5999-00-174-5685
NSN 6220-01-320-7585
NSN 5985-01-282-4615
NSN 6645-01-633-1852
NSN 5835-00-431-4451
NSN 6620-01-633-8443
NSN 5920-00-624-3049
NSN 4140-00-755-6814
NSN 6240-01-340-6497
NSN 5895-00-205-2924
NSN 5930-01-518-6646