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 6135-01-391-6515
NSN 4140-01-317-1172
NSN 5999-00-427-0914
NSN 5996-00-351-2369
NSN 6650-00-519-0973
NSN 5960-01-279-2589
NSN 6150-00-058-8669
NSN 5975-01-349-3077
NSN 5960-01-588-1441
NSN 2925-00-225-5386
NSN 5925-00-415-2286
NSN 6650-01-229-6288