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 5855-01-210-3002
NSN 4140-01-549-2409
NSN 5930-00-794-9097
NSN 6620-00-155-2608
NSN 5945-01-315-1421
NSN 5996-01-282-2112
NSN 5996-01-653-6762
NSN 5975-00-636-4910
NSN 6610-00-581-0771
NSN 5975-01-052-3489
NSN 6135-00-377-9165
NSN 5920-01-458-8075