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 5930-01-192-1921
NSN 6650-01-328-9384
NSN 5915-01-128-3231
NSN 6110-01-048-7725
NSN 6685-01-293-7741
NSN 5895-01-360-2992
NSN 5915-00-945-6396
NSN 5975-01-603-2801
NSN 5996-01-633-7979
NSN 6135-01-074-2529
NSN 6105-00-003-2069
NSN 5930-01-634-0659