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 5920-01-055-2024
NSN 5975-01-592-3515
NSN 5935-01-571-3918
NSN 5935-01-180-4815
NSN 5925-01-655-3808
NSN 5925-01-191-6498
NSN 6110-01-085-8896
NSN 6105-01-266-7482
NSN 6610-01-131-5714
NSN 5999-01-259-4636
NSN 5950-00-875-7102
NSN 5950-01-605-3104