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 5975-01-025-5794
NSN 5855-00-055-1579
NSN 5920-01-417-5989
NSN 5945-01-535-7037
NSN 5960-01-536-9763
NSN 5998-01-178-8622
NSN 5905-00-068-8543
NSN 5945-01-123-3721
NSN 5965-00-170-5254
NSN 6135-01-173-1468
NSN 4140-00-751-1694
NSN 5945-00-753-9730