3a thread class right-hand 0.663" thread length hexagon head style 0.500" grip length 24 thread quantity per inch tensile strength at room temperature passivate surface treated unf thread series
2a thread class right-hand 0.792" thread length fillister head style 0.070" hole diameter 24 thread quantity per inch cadmium screw surface treated unf thread series
13 thread quantity per inch one hole, 0.156 in. dia, 0.130 in. min to 0.145 in. max lg from nearest outside edge to hole centerline passivate surface treated plain unc thread series
3a thread class right-hand 1.375" thread length hexagon head style 0.070" hole diameter 20 thread quantity per inch cadmium surface treated unf thread series
right-hand 0.240" thread length hexagon head style 0.041" hole diameter 24 thread quantity per inch navy special project nickel screw surface treated unc thread series