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 6220-01-442-9631
NSN 5835-01-654-4570
NSN 5960-01-317-3401
NSN 6610-01-041-1880
NSN 4140-00-488-2598
NSN 5925-01-044-5508
NSN 4140-01-416-2798
NSN 5960-01-399-4327
NSN 5895-00-514-2905
NSN 6620-00-172-6127
NSN 5998-01-425-0977
NSN 5960-01-526-3843