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 5930-01-023-2160
NSN 4140-00-143-4772
NSN 4140-00-857-9970
NSN 5910-00-541-1381
NSN 6220-00-316-2500
NSN 6610-00-074-9586
NSN 5855-01-618-9749
NSN 6150-00-933-9803
NSN 6150-01-485-7659
NSN 2925-01-446-6523
NSN 6105-00-527-7702
NSN 5920-00-532-3926