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 6110-01-550-6332
NSN 6320-01-111-8851
NSN 5835-01-581-1957
NSN 5935-01-382-6379
NSN 5999-01-513-0794
NSN 6105-01-528-7557
NSN 5895-01-200-8192
NSN 5910-00-370-2471
NSN 6620-00-938-1789
NSN 5925-00-218-4933
NSN 6135-01-275-9767
NSN 5855-00-951-6483