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 5990-00-665-4105
NSN 5996-00-865-3513
NSN 6620-01-508-7902
NSN 5835-01-464-2662
NSN 6610-00-630-4563
NSN 6320-00-164-4087
NSN 5910-01-497-7934
NSN 6650-00-734-3985
NSN 5998-00-280-3129
NSN 5960-00-840-8976
NSN 5950-00-189-0551
NSN 5935-01-254-9198