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 5935-01-080-7982
NSN 5930-00-786-5540
NSN 5915-00-368-4564
NSN 4140-01-462-1336
NSN 6105-00-472-3808
NSN 5910-00-221-7956
NSN 5855-01-429-8702
NSN 5855-00-930-9478
NSN 7035-01-564-4617
NSN 6220-01-087-0325
NSN 5915-00-827-1287
NSN 5985-01-489-7056