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 6620-01-093-7592
NSN 5998-01-139-3791
NSN 6610-00-063-8489
NSN 5920-01-419-4265
NSN 5965-00-083-8157
NSN 5945-00-911-4777
NSN 6145-01-028-0335
NSN 5965-00-194-9428
NSN 4140-01-451-4180
NSN 6220-01-221-2705
NSN 5945-01-166-2012
NSN 5835-01-545-2629