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 5960-01-617-6345
NSN 5915-01-425-2753
NSN 7035-00-585-2113
NSN 5985-00-878-5229
NSN 5960-01-599-9821
NSN 6135-01-658-7467
NSN 5998-01-531-7205
NSN 6130-01-331-3055
NSN 6320-01-406-6098
NSN 5920-01-122-6303
NSN 5998-00-396-3330
NSN 5835-01-272-4087