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 6110-01-251-4607
NSN 5965-00-971-5522
NSN 5950-00-157-3785
NSN 5855-01-081-7594
NSN 5920-01-457-4653
NSN 2925-00-468-5273
NSN 5925-01-430-2318
NSN 5950-01-606-5939
NSN 5960-00-903-6307
NSN 5975-00-273-0790
NSN 5855-01-460-9954
NSN 6645-01-657-9812