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 4140-01-624-0020
NSN 6620-01-451-3742
NSN 6150-00-466-2365
NSN 5965-01-181-5706
NSN 6105-01-519-8003
NSN 6110-00-581-4445
NSN 5895-01-605-3539
NSN 5915-01-602-4335
NSN 5895-00-627-1279
NSN 4140-01-566-8906
NSN 4140-00-193-8879
NSN 5985-00-385-1643