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 5925-01-037-1629
NSN 5925-00-236-9000
NSN 5975-01-167-1998
NSN 5950-01-566-9305
NSN 5945-00-155-4290
NSN 5990-01-482-5950
NSN 6135-00-575-8942
NSN 5905-01-652-0192
NSN 6150-00-466-2892
NSN 6650-01-655-7373
NSN 5905-00-883-0370
NSN 5950-01-283-5359