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 6620-01-212-8089
NSN 4140-00-476-0672
NSN 5945-01-179-6727
NSN 6130-01-495-7035
NSN 5945-00-276-9274
NSN 5975-01-213-2866
NSN 5910-01-444-4096
NSN 5920-01-391-6598
NSN 2925-01-327-3069
NSN 2925-00-502-3768
NSN 6220-01-025-5316
NSN 5945-01-242-9430