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 4140-01-107-4597
NSN 6220-01-027-6244
NSN 5945-01-257-4661
NSN 5950-01-236-9269
NSN 6135-01-442-7275
NSN 5915-00-289-6692
NSN 5925-01-146-5528
NSN 6650-01-546-6611
NSN 6240-00-539-9770
NSN 6145-01-575-1270
NSN 4140-00-500-2718
NSN 5920-01-425-0158