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 2925-01-040-6354
NSN 6650-00-864-2942
NSN 5945-01-028-4610
NSN 6240-01-281-8746
NSN 4140-00-593-8425
NSN 6610-01-234-5542
NSN 5965-01-422-1392
NSN 6610-01-259-5296
NSN 6320-00-313-9114
NSN 5935-00-260-6051
NSN 5990-00-351-5479
NSN 6240-01-046-4363