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 5905-00-330-5618
NSN 4140-01-369-1615
NSN 6620-01-318-1856
NSN 6610-00-419-0315
NSN 5935-00-420-6612
NSN 6220-01-585-0639
NSN 5965-01-415-2898
NSN 5920-01-445-7000
NSN 5920-01-227-1877
NSN 5998-01-184-5131
NSN 5835-01-504-0837
NSN 5915-00-372-4522