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 4140-00-100-4563
NSN 6240-01-314-1359
NSN 6145-01-367-1404
NSN 5915-00-903-0872
NSN 5996-01-473-2183
NSN 6220-01-241-4625
NSN 6320-01-145-9013
NSN 5998-01-412-0553
NSN 5930-00-905-8590
NSN 6135-00-851-8575
NSN 6150-01-542-9571
NSN 5998-01-300-8873