A circular, single or multipiece, rigid, metallic or nonmetallic item having a centrally located hole with a sharp edge on the inside periphery. It is supplied in various cross-sectional shapes and is designed to be installed in a cylinder, shock strut, or similar device to remove excess oil, dirt, ice, and/or foreign material from a piston, ram, or sliding rod. Excludes packing, preformed; ring, piston; and seal ring, metal.
Classification: Parts of linear acting hydraulic power engines and motors
NSN 5920-00-538-2990
NSN 5945-00-096-5086
NSN 6620-01-400-2928
NSN 5905-01-627-4477
NSN 5895-00-269-3848
NSN 5985-00-953-1519
NSN 6650-00-138-8605
NSN 5945-01-037-2158
NSN 6240-01-305-6933
NSN 6645-01-445-4673
NSN 6220-01-416-3852
NSN 5855-00-446-5921