MIL-DTL-15743-9 Switches, Rotary, Enclosed, Submersible \(15 Feet\), Snap Action, 500 Volts Alternating Current/250 Volts Direct Current, 30 Ampere, Symbols 839.1 \(4Pdt\), 848.1 \(Tpdt\), And 2752.1 \(Special\)