Recognition Light Control Front Panel, IFF, WW2 P-47 Thunderbolt B-29 The knob rotates stiffly

The knob rotates stiffly

The A-9A regulator was a low pressure continuous flow regulator (vs the on-demand

It has a service label from the US Air Force Tinker Air Base's OCAMA (Oklahoma City Air Materiel Area)

and the second indicated 1000's of feet

They came to us from the estate of a B-17 flight instructor

Recognition Light Control Front Panel, IFF, WW2 P-47 Thunderbolt B-29 The knob rotates stifflyThis front panel of the Recognition Light Control Assembly appeared in nearly all of US Army Air Force aircraft of WWII by the end of the war, including the P 47N Thunderbolt Fighter (see photo of the right side panel of the cockpit indicating the location of the switch box). Used for IFF (Identification, Friend or Foe). The toggles flip perfectly. The keying switch depresses as it should. In very nice condition for its age. Measures ~3 inches by ~3.