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 5930-00-443-2070
NSN 6320-00-809-5744
NSN 5915-00-725-7204
NSN 5975-00-740-8367
NSN 5985-01-614-8137
NSN 5930-00-464-4156
NSN 5998-01-233-4216
NSN 6610-01-361-9988
NSN 6145-00-171-3152
NSN 6240-01-411-5425
NSN 5999-01-605-0855
NSN 6320-01-285-1922