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 6105-01-170-4751
NSN 6685-00-544-3783
NSN 5835-01-439-0180
NSN 5950-01-429-0243
NSN 5910-00-709-3233
NSN 6135-00-767-0331
NSN 5920-01-294-2805
NSN 5930-01-044-5830
NSN 5930-01-444-1080
NSN 5910-01-414-9225
NSN 5915-01-278-3433
NSN 5925-01-519-9251