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 5935-01-634-0668
NSN 4140-01-442-5155
NSN 6150-01-123-7612
NSN 5855-00-138-2386
NSN 6135-00-182-7008
NSN 5915-00-520-2045
NSN 6240-01-502-7883
NSN 4140-01-432-1447
NSN 6620-01-220-8579
NSN 5935-01-407-9110
NSN 6645-01-446-5419
NSN 2925-01-110-1467