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 5910-01-150-1826
NSN 5990-00-919-2110
NSN 6620-00-556-1976
NSN 6320-00-228-5678
NSN 5945-01-388-1658
NSN 5999-00-782-4798
NSN 5915-01-041-3318
NSN 5925-01-594-1873
NSN 5930-01-500-1326
NSN 4140-01-424-7985
NSN 5895-01-617-5127
NSN 6320-01-512-2031