Matl: cushion is buna nitrile per mil-r-6855 class a grade 70; used on emplacer
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 5990-00-554-0366
NSN 5855-01-380-9950
NSN 5895-01-455-6260
NSN 6610-01-539-9084
NSN 5920-01-438-0557
NSN 5999-00-062-7051
NSN 6105-00-585-4634
NSN 4140-01-551-1125
NSN 5930-01-468-5915
NSN 6240-00-727-2457
NSN 5835-00-446-2944
NSN 6105-00-215-8899