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 5915-00-472-6602
NSN 5915-00-250-6429
NSN 5920-01-449-1236
NSN 5960-01-350-5332
NSN 6135-01-528-6896
NSN 6220-01-188-6962
NSN 5999-01-512-6028
NSN 5990-01-054-3332
NSN 5999-01-634-0576
NSN 5999-00-866-1112
NSN 2925-01-304-7716
NSN 6145-01-243-0123