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 5965-00-136-4178
NSN 5915-01-647-1642
NSN 5855-01-369-5037
NSN 6110-00-187-2894
NSN 5965-01-388-5296
NSN 4140-01-607-0488
NSN 5935-00-146-4526
NSN 6110-01-654-9018
NSN 5925-01-391-9019
NSN 5905-00-375-6342
NSN 6650-01-546-2378
NSN 6135-01-630-7662