MICRO SWITCH™ Premium Large Basic Switches: BZ Series, Single Pole Double Throw (SPDT), No Electrical Rating, 11,9 mm [0.470 in] Threaded Bushing with 8,3 mm [0.326 in] Diameter Additional Overtravel Plunger, Binding Head Combination Screw Termination with Integral Washer, Mounting Holes will Accept Pins or Screws, Bushing Hardware Furnished Unassembled, No Agency Approvals, Military Part Number M8805/1-020