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 4140-01-551-1992
NSN 6240-01-218-5187
NSN 5930-01-461-8130
NSN 6645-01-127-1793
NSN 6150-00-279-9337
NSN 6650-01-021-2436
NSN 6150-00-990-0462
NSN 5996-01-366-7273
NSN 5920-00-269-6178
NSN 5925-00-087-2819
NSN 6220-00-912-4090
NSN 6130-01-029-6112