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 6620-01-383-1997
NSN 6650-01-148-7911
NSN 6130-00-931-7164
NSN 5835-00-670-2925
NSN 5855-00-610-4052
NSN 5930-01-091-4477
NSN 6610-00-767-4602
NSN 4140-00-227-8228
NSN 6105-01-505-3367
NSN 6650-00-610-3956
NSN 5930-01-640-7461
NSN 6320-00-228-5678