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 6320-01-352-5653
NSN 7035-00-135-4758
NSN 6685-01-528-5316
NSN 5920-01-129-9724
NSN 5910-01-556-8008
NSN 6645-00-381-9628
NSN 5998-00-181-3841
NSN 5960-01-623-5951
NSN 4140-01-161-8955
NSN 6220-01-037-6558
NSN 5998-01-141-1217
NSN 5990-00-076-9839