Aircraft (?) Fire Warning and Control Panel

[rwanttaja]

Cool toy found at an antique shop this week. It appears to be an aircraft fire warning/fire suppression/overheat warning control panel.


It screams "Mil-Spec", but I haven't found any labels or tags inside or out. The inside is just basically wires from the switches and lights connecting to a big cannon plug in the back.

It's obviously set up for a twin engine vehicle, so I'm thinking DC-3 (Tom Solinski?), C-47, B-25, B-26, A-26, etc. However, the rear case is thin fiberglass, not metal. Not something I would have expected during the war.

I keep saying "appears", because I'm not truly sure it's for an aircraft. It's too lightweight for a boat or military vehicle, though.

Bottom has printing:
89257 502 ASSY
NO SHORTAGES
...with several QA stamps. With big "N"s...North American? Northrup?

Back has printed, under the Cannon jack:
REF: SERVICE DIAGRAM
NO.30.0200 EREC AND
MAINT. MANUAL

Anybody got a good guess?

Edit: Occurred to me that it MIGHT be for a helicopter....

Ron Wanttaja