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 5930-00-288-1882
NSN 4140-01-600-6117
NSN 5895-01-256-3178
NSN 6685-00-494-3153
NSN 5999-01-091-2628
NSN 6320-01-046-5228
NSN 5998-01-390-1003
NSN 6645-01-651-9562
NSN 6150-01-168-7926
NSN 5915-01-627-9082
NSN 6620-01-604-4072
NSN 6685-00-135-1353