Cushion is buna nitrile per mil-r-6855 class a grade 70; wipers are bronze per astm b584 alloy c93200; first 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 6130-00-184-8504
NSN 6320-00-564-2772
NSN 5905-01-590-3167
NSN 5998-00-607-7234
NSN 6150-01-568-8443
NSN 5996-00-251-7937
NSN 5960-00-763-5390
NSN 6110-01-501-5764
NSN 6620-01-436-2715
NSN 6110-01-289-9977
NSN 5965-00-089-8308
NSN 4140-01-386-1447