2a thread class right-hand 0.250" thread length hexagon head style 56 thread quantity per inch passivate screw surface treated end item is f-16 unc thread series
2a thread class right-hand 0.231" thread length pan head style 40 thread quantity per inch navy special project cadmium screw surface treated unc thread series
2a thread class right-hand 0.438" thread length fillister head style 0.046" hole diameter 32 thread quantity per inch oxide screw surface treated unc thread series
2a thread class right-hand 0.169" thread length pan no. 2 head style 40 thread quantity per inch passivate screw surface treated with insulator; mylar polyester film (266 degrees f) unc thread series
Used on c-135 support equipment;aircraft, stratolifter c-135. 3a thread class right-hand 0.348" thread length pan no. 2 head style 32 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand flat countersunk head style 24 thread quantity per inch passivate screw surface treated concentric hole extending length of screw unf thread series
2a thread class right-hand 1.257" thread length flat countersunk head style 36 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.672" thread length flat countersunk head style 20 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.314" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.314" thread length flat countersunk head style 32 thread quantity per inch navy special project internal drive ribbed unjc thread series
