Ignition/start switch (Off-On-Momentary On). Switch is for use with the M939, M809, HMMWV, etc. Generally used as an ignition/start switch, and also pre-heat control on M809.
P/N 11614131, also replaces alternate part numbers 4998, 5400, 12506826. NSN 5930001345036.
Made in USA.
Rated 30 Volts DC, position #2 is 20 Amps max continuous, position #3 is 20 Amps with 75 Amp inductive load surge for start circuit.
Position 1 is Off, 2 is B to R, 3 is B to R to S.
B = Battery
R = Run/Ignition
S = Start
Switch handle also available, see p/n 5381088.