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 6620-01-285-0302
NSN 4140-01-382-9925
NSN 6620-01-068-0046
NSN 6110-01-238-3953
NSN 6150-00-281-9482
NSN 5930-00-045-0847
NSN 6110-01-598-9496
NSN 6240-01-595-6812
NSN 5985-01-281-8483
NSN 5998-00-896-4373
NSN 6105-01-431-8289
NSN 5835-01-157-5886