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 5910-00-817-5163
NSN 5925-01-046-4918
NSN 6610-00-786-0696
NSN 6620-00-588-7275
NSN 5960-00-807-9187
NSN 5920-01-464-4622
NSN 7035-01-311-8424
NSN 5855-01-511-8946
NSN 5990-00-067-1622
NSN 6650-00-872-0942
NSN 5945-01-564-1344
NSN 7035-01-574-2528