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 5965-01-441-6842
NSN 6110-01-537-1159
NSN 5855-01-479-8129
NSN 4140-01-389-6444
NSN 5930-00-959-5847
NSN 5960-00-089-1632
NSN 5990-00-822-9269
NSN 5999-00-542-0541
NSN 5925-00-441-5511
NSN 5935-00-624-2379
NSN 5960-01-358-9733
NSN 6145-00-764-4338