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 5855-01-382-8725
NSN 6150-00-929-3539
NSN 6650-01-580-7478
NSN 5950-01-608-5105
NSN 4140-00-288-6898
NSN 5935-01-603-0310
NSN 5985-00-884-0742
NSN 6610-01-408-7827
NSN 4140-00-702-4647
NSN 5950-00-919-1327
NSN 5999-01-595-2918
NSN 4140-01-634-0330