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 4140-01-358-7889
NSN 5945-00-457-2456
NSN 5990-00-197-0159
NSN 6240-01-003-8666
NSN 6150-00-569-4755
NSN 5895-00-994-8256
NSN 6645-01-467-9983
NSN 4140-01-068-3500
NSN 5930-01-633-5172
NSN 5950-01-546-3864
NSN 7035-00-529-3128
NSN 6130-01-620-7276