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 5925-01-085-1981
NSN 5855-00-483-0020
NSN 5985-01-554-2534
NSN 5998-00-412-8618
NSN 5999-01-306-1475
NSN 6610-00-659-8760
NSN 5960-01-237-5965
NSN 6135-01-583-8973
NSN 5915-01-008-1988
NSN 5920-01-026-2559
NSN 5930-01-500-9919
NSN 5895-01-193-7474