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 or compression-ignition internal combustion piston engines for use in aircraft except civil
NSN 6320-01-384-7079
NSN 6135-00-891-4944
NSN 6145-01-410-9098
NSN 6105-00-681-6261
NSN 5905-00-832-8214
NSN 5915-01-435-5275
NSN 5965-01-116-1886
NSN 6145-00-119-8201
NSN 5915-00-109-2903
NSN 6105-00-161-1834
NSN 6320-00-513-8376
NSN 5855-01-529-5567