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 5945-00-867-8077
NSN 5975-00-940-3300
NSN 5935-01-473-5557
NSN 5999-01-181-9110
NSN 5965-00-553-6898
NSN 6620-01-424-6925
NSN 5999-01-339-9756
NSN 5965-01-425-2039
NSN 5915-01-472-2089
NSN 5950-01-356-6518
NSN 6135-00-874-6566
NSN 4140-01-450-6328