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 6240-01-104-7066
NSN 5895-00-342-9581
NSN 6105-01-220-4762
NSN 4140-01-657-4639
NSN 6650-01-141-3882
NSN 5996-00-422-3328
NSN 5999-01-282-7870
NSN 5920-00-333-1819
NSN 5998-00-158-6329
NSN 6610-01-624-2561
NSN 5960-01-192-7710
NSN 4140-01-206-4981