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 2925-00-137-5120
NSN 6610-00-678-5752
NSN 6220-01-648-5552
NSN 5999-00-197-8792
NSN 5915-01-293-4583
NSN 5910-01-109-5802
NSN 6620-01-069-0912
NSN 5915-01-429-9287
NSN 5975-00-193-9961
NSN 5835-01-216-1215
NSN 5985-00-281-0810
NSN 5925-00-356-8007