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 5920-00-236-1118
NSN 6240-01-212-3529
NSN 6220-00-600-1414
NSN 6145-01-018-0244
NSN 6110-00-021-0925
NSN 6320-00-222-9459
NSN 6620-01-085-2915
NSN 5999-01-387-4707
NSN 6240-01-521-2635
NSN 5945-01-311-4650
NSN 5895-00-208-1949
NSN 4140-01-617-0040