John,
The 4 screws for the 65 trap door hinge (actually 8, the same for hinge to body as hinge to door) from AMK are correct in size and form, but they lack any head marking. Try 55590-S2 (AMK B-12481, 2014 Cat, pg 115). The two for the prop to the body are 55613-S2, and, from AMK, have a R B W head marking (AMK B-12490, 2014 Cat, pg 116). Prop to door, 42741-S8, Screw, Hex, Ext Lkw, 1/4-20X3/8HH, REC, EXT LKW, 7/16HEX, are not available from AMK. They are the same screws that attach the brake cylinder to the backing plate for 64-70 6 cylinder Mustangs.
Jim