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 6220-01-090-0126
NSN 4140-01-550-6540
NSN 6220-01-290-6552
NSN 6645-01-146-3323
NSN 6150-01-262-4489
NSN 5925-00-810-5279
NSN 5910-01-598-2855
NSN 5945-00-146-5021
NSN 6685-01-510-9575
NSN 5910-01-506-8826
NSN 2925-01-329-3665
NSN 5935-01-466-1880