Used on RQ4A. 3a thread class right-hand 0.316" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unjf thread series
Used on c-17a aircraft. 3a thread class right-hand 0.875" thread length flat chamfer head style 32 thread quantity per inch oxide surface treated unrf thread series
3a thread class right-hand 0.425" thread length dished hexagon head style 0.052" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.360" thread length dished hexagon head style 0.320" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.375" thread length dished hexagon head style 0.938" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.511" thread length dished hexagon head style 1.375" grip length 18 thread quantity per inch cadmium surface treated unjf thread series