Cushion is buna nitrile per mil-r-6855 class a grade 70; wipers are bronze per astm b584 alloy c93200; third stage
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 5905-01-185-6001
NSN 5945-01-148-1941
NSN 6150-01-568-9957
NSN 5950-01-214-2948
NSN 6105-00-233-3199
NSN 6145-00-112-1449
NSN 5975-01-633-4229
NSN 5920-01-318-8010
NSN 6650-01-382-8569
NSN 6610-01-023-6073
NSN 5930-01-531-6079
NSN 6320-01-397-9995