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 4140-01-512-0744
NSN 6645-01-113-2051
NSN 5920-01-051-8086
NSN 5999-01-348-0352
NSN 7035-01-617-7175
NSN 5945-00-543-1980
NSN 6145-01-389-9827
NSN 5945-01-161-5438
NSN 6135-01-010-0891
NSN 6110-01-028-7980
NSN 4140-01-501-0928
NSN 5915-01-188-6748