Digging a little deeper in Brad Allen's "Parts" pictures, I believe the serrated rectangular threaded hole nut plates in the upper center/right box in this AD parts bin2 picture (see zoomed in screenshot below) are the correct ones for the AD series truck door strike plates.
~ Dan 1951 Chevy 3 window 3100 Follow this story in the DITY Gallery "My Grandpa Carl's Truck and How it Became Mine" 1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver) US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)