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 5855-01-244-4978
NSN 5945-01-136-8746
NSN 5975-01-350-6181
NSN 4140-01-406-7354
NSN 5920-01-051-0090
NSN 6105-01-290-4738
NSN 5950-01-188-0061
NSN 5990-01-292-2369
NSN 6620-00-872-5032
NSN 5835-00-170-5238
NSN 5975-00-430-1220
NSN 5950-01-079-2556