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 6220-00-266-8222
NSN 5975-01-039-8428
NSN 5915-00-951-1973
NSN 4140-01-243-5817
NSN 6220-01-289-5136
NSN 6650-00-390-3568
NSN 6620-00-348-4645
NSN 5998-00-633-5169
NSN 6150-01-478-5108
NSN 5925-01-539-0576
NSN 5950-01-363-0825
NSN 6135-01-542-0659