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 6645-01-422-1374
NSN 6240-00-694-1488
NSN 6620-00-782-0337
NSN 2925-01-333-6346
NSN 5998-00-058-7816
NSN 6650-01-189-4433
NSN 5905-00-444-8969
NSN 5975-01-178-4302
NSN 6110-01-530-4129
NSN 4140-00-783-4228
NSN 6220-00-241-5383
NSN 6130-01-526-6649