3a thread class right-hand 0.338" thread length flat countersunk head style 0.365" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.205" thread length pan no. 2 head style 40 thread quantity per inch navy special project passivate screw surface treated unc thread series
Used on w/s: aircraft, f-16; aircraft, thunderbolt ii, a-10; global hawk high altitude-long endurance unmanned aerial. universal head style 0.251" grip length
3a thread class right-hand 0.363" thread length fillister countersunk head style 0.178" grip length 32 thread quantity per inch cadmium surface treated unjf thread series