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 spark-ignition internal combustion piston engines, nesoi
NSN 5905-01-351-0437
NSN 6145-01-288-5794
NSN 4140-01-147-4764
NSN 5895-01-160-7916
NSN 5990-01-411-5930
NSN 4140-00-707-2963
NSN 5935-01-167-8658
NSN 5985-00-771-6418
NSN 2925-01-424-0235
NSN 5960-01-304-3073
NSN 5925-00-244-7418
NSN 2925-01-492-5342