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 5990-01-092-1963
NSN 5930-01-250-7773
NSN 6105-01-018-3677
NSN 5996-00-422-3328
NSN 5965-01-603-0118
NSN 6110-01-104-3082
NSN 5915-01-400-6125
NSN 5920-00-840-7313
NSN 6610-01-372-2147
NSN 4140-00-866-9587
NSN 5975-01-390-8651
NSN 5930-00-498-6717