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 4140-01-443-5866
NSN 5996-01-485-0305
NSN 5975-00-180-5132
NSN 6620-01-030-0525
NSN 5990-01-203-6089
NSN 6320-00-894-1644
NSN 6220-00-074-4224
NSN 5965-00-923-6824
NSN 5960-01-081-2886
NSN 6650-01-145-5173
NSN 5960-01-491-9916
NSN 2925-01-307-7429