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 5920-01-499-1255
NSN 6610-01-361-9988
NSN 5985-01-178-6888
NSN 5975-01-035-8810
NSN 5999-00-737-0503
NSN 5996-00-458-1366
NSN 5965-00-243-0207
NSN 6650-01-481-3618
NSN 5920-01-365-9731
NSN 4140-00-241-0065
NSN 6145-00-398-4405
NSN 5855-01-602-8518