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 6620-01-217-1490
NSN 6150-01-605-9378
NSN 5950-01-185-4156
NSN 6110-01-303-5837
NSN 6240-00-452-5241
NSN 5996-00-251-9173
NSN 6105-01-160-7719
NSN 2925-01-483-6248
NSN 2925-01-121-0761
NSN 4140-01-634-0330
NSN 5998-01-277-4306
NSN 5998-01-554-9268