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 5996-01-326-2491
NSN 6110-00-371-2458
NSN 6105-00-049-8891
NSN 6685-01-500-8158
NSN 5950-01-105-1979
NSN 5950-01-376-7623
NSN 6620-00-193-9503
NSN 5835-00-905-7165
NSN 5999-01-258-6187
NSN 5925-00-003-4722
NSN 5975-01-033-6578
NSN 2925-01-455-2558