Used on f-22 raptor. nut, plate thread size .1640-32unc-2b; base diameter 0.750" plus or minus 0.015"; pilot height 0.250" plus or minus 0.015"; pilot diameter 0.213" ; prong height 0.188" plus or minus 0.015"; plate thickness 0.035
Used on f-22 raptor. 3b thread class right-hand 28 thread quantity per inch nut plate, floating, flat beam lock, two lug, for lockheed f-22 the finish for the base is glass bead blast silver nut surface treated