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 5855-00-117-0857
NSN 5965-00-578-8931
NSN 5910-01-430-0017
NSN 6240-01-477-0012
NSN 5945-01-378-6493
NSN 5945-01-521-3104
NSN 7035-00-703-3535
NSN 5998-01-093-8383
NSN 5999-00-553-9831
NSN 6105-00-527-7702
NSN 5895-01-297-6243
NSN 5999-00-469-5576