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 6610-01-149-9749
NSN 6110-01-197-7917
NSN 5960-01-658-9538
NSN 6620-01-465-2496
NSN 5985-00-912-6618
NSN 5999-01-188-8316
NSN 5965-01-070-5515
NSN 6650-01-209-2409
NSN 6135-00-660-8654
NSN 6320-01-516-3836
NSN 5999-01-422-4506
NSN 7035-00-421-8710