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 2925-01-172-0176
NSN 5930-01-281-8739
NSN 5950-00-865-0278
NSN 5960-01-013-9346
NSN 6620-00-632-3631
NSN 5920-01-430-4365
NSN 6145-01-288-5794
NSN 5945-01-513-5162
NSN 5950-01-630-7119
NSN 5998-01-335-0558
NSN 5965-01-607-0318
NSN 5905-00-581-7998