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 4140-01-262-2255
NSN 5999-01-552-2665
NSN 5920-00-413-1338
NSN 5996-01-313-1497
NSN 5910-00-767-9940
NSN 6240-01-384-8802
NSN 6320-00-731-6134
NSN 5935-01-149-0751
NSN 6220-01-055-9786
NSN 5925-01-261-9537
NSN 6320-01-183-8196
NSN 6220-01-521-2720