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 5998-00-414-1181
NSN 6150-00-633-7160
NSN 5935-01-403-2844
NSN 5998-01-139-1045
NSN 6320-00-593-0379
NSN 6645-01-012-5972
NSN 6110-01-129-9571
NSN 2925-01-371-6853
NSN 5925-01-533-2511
NSN 6105-01-190-5434
NSN 6620-01-621-0719
NSN 5915-00-501-1603