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 4140-01-617-1599
NSN 5998-01-261-4322
NSN 6645-00-451-6462
NSN 5975-00-930-8793
NSN 5975-01-501-6362
NSN 6240-00-123-7648
NSN 5999-00-831-8848
NSN 5998-00-469-2706
NSN 5905-00-087-8947
NSN 6320-01-466-4175
NSN 6610-00-630-8823
NSN 6110-00-160-1374