Remove temporary screws holding door pin block and latch mechanisms in position.
Machine c-sink door panels for AN509 screw, 12x.
Temporarily install pin blocks, latch mechanism.
Remove temporary screws from door side of hinges, 16x.
Machine c-sink holes for AN509 screws.
At this point I deviated from the plans slightly. I decided to install countersunk SS washers beneath the hinge mounting screws to spread the door loads across a larger surface area. I also used MS24694C structural SS screws in place of the cad plated versions. These washers have a 3/4" diameter and fit perfectly with the hinges.
Install door side hinges using MS24694C screws and countersunk washers, 16x.