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 5895-01-252-8831
NSN 5855-00-451-6155
NSN 6320-01-388-1067
NSN 5990-01-591-0701
NSN 6645-00-778-2839
NSN 6150-01-642-4562
NSN 6135-01-658-3265
NSN 6650-00-103-9379
NSN 5996-00-822-8182
NSN 6105-00-494-8385
NSN 5835-00-228-9082
NSN 5960-01-388-1988