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 4140-00-816-8820
NSN 6650-00-469-2218
NSN 5930-01-051-5709
NSN 6135-00-756-6149
NSN 6645-00-431-9472
NSN 6610-00-100-1195
NSN 5910-01-533-7838
NSN 5905-01-216-0170
NSN 6620-00-506-0112
NSN 6220-01-239-5532
NSN 6610-00-278-7647
NSN 4140-01-634-0330