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 4140-01-161-1048
NSN 6130-01-115-3543
NSN 6610-01-483-5258
NSN 5960-00-594-0824
NSN 6110-00-248-7475
NSN 6150-00-877-3954
NSN 5950-01-178-4512
NSN 6620-01-064-0366
NSN 6610-01-211-8956
NSN 5920-00-762-3348
NSN 5925-01-116-1794
NSN 6150-01-022-3031