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 5895-01-443-2482
NSN 6105-01-485-9204
NSN 5915-00-101-1653
NSN 5998-00-401-2197
NSN 6150-01-387-0713
NSN 5960-01-327-5922
NSN 6150-01-652-7399
NSN 5920-00-281-2488
NSN 6620-01-481-1358
NSN 5925-00-128-9376
NSN 5998-00-601-6625
NSN 5930-01-600-0260