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 5985-01-418-2796
NSN 5975-01-280-3904
NSN 5999-01-515-2922
NSN 6105-01-076-4670
NSN 5935-01-487-1678
NSN 5895-01-284-8833
NSN 6130-01-320-9469
NSN 5950-00-462-4448
NSN 6610-00-491-8165
NSN 6610-01-085-2072
NSN 5950-01-023-3234
NSN 5920-01-300-0425