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 6650-01-178-8731
NSN 5945-01-512-0284
NSN 5999-01-661-3239
NSN 4140-01-165-4096
NSN 6240-00-299-9819
NSN 6145-00-914-1704
NSN 5855-00-231-7790
NSN 5975-01-353-6481
NSN 5930-01-367-8698
NSN 5990-00-554-0366
NSN 5905-00-623-4032
NSN 6145-01-213-4997