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 2925-00-791-8776
NSN 4140-00-337-6631
NSN 5910-01-519-3731
NSN 6610-01-652-2341
NSN 5925-00-443-9478
NSN 6145-01-512-1870
NSN 6240-00-316-3167
NSN 5915-01-157-8407
NSN 5998-00-871-9224
NSN 5905-01-275-6470
NSN 5985-00-390-8837
NSN 2925-00-446-2447