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 5935-00-575-4255
NSN 4140-00-351-7085
NSN 6610-00-128-7725
NSN 2925-01-334-7122
NSN 5945-00-185-6609
NSN 5935-00-153-3130
NSN 6620-01-514-7786
NSN 4140-01-600-1540
NSN 6135-01-595-9328
NSN 6145-00-553-8196
NSN 5999-01-462-0347
NSN 6650-01-533-1267