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 6240-00-539-9770
NSN 5925-01-415-3084
NSN 6110-01-505-3414
NSN 5965-01-418-1760
NSN 5920-01-195-2299
NSN 5905-01-294-6163
NSN 5990-00-844-1188
NSN 6220-01-575-2837
NSN 6150-01-634-0575
NSN 5895-01-188-1414
NSN 6645-01-130-2391
NSN 6135-01-475-2428