I am looking to purchase two 24 volt solid state turn signal flasher units as fitted to M38A1 Cdn3, M151A1 and other late pattern M series SMP vehs. (see my tale in "restoration" for why I need two!)
These are the boxy approx 4 inch square units with all the cooling fins on them.
The part number is 11613631 also called M62069/2-1. The NSN is 5945-00-789-3706.
Cheers! Mike