Parking brake light switch

[BluRaySRT]

Hi... I'm looking for a parking brake light switch.  This is the one that screws into the parking brake assembly.   Looked everywhere with no luck.  Thanks in advance for any assistance you can provide!   

[72RoadRunnerGTX]

May have to make a generic single pole pin switch work if you can't find an original switch. Originally used a stamped nut to secure it, it didn't thread into the brake assembly flange.

[R/T's 4 R/P]

I recall finding a GM style plunger switch from a mid 60s Oldsmobile, or something, that was super close.
The parking brake mechanism was likely made by a common supplier.