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 6110-00-840-6560
NSN 5998-00-857-3628
NSN 6320-01-631-7828
NSN 5905-01-447-3398
NSN 5925-01-234-3361
NSN 5855-00-149-0766
NSN 6135-01-451-2120
NSN 5965-01-408-6218
NSN 5895-01-447-3242
NSN 5915-01-338-1215
NSN 5998-01-012-2225
NSN 6620-01-194-2626