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 5996-01-442-0832
NSN 5965-01-186-2051
NSN 5999-01-443-4630
NSN 5905-00-269-2467
NSN 6620-01-206-3922
NSN 6650-01-456-0747
NSN 7035-01-024-8067
NSN 6220-01-211-4630
NSN 6320-01-451-0821
NSN 5895-01-443-1949
NSN 6650-01-021-1355
NSN 2925-00-163-9016