3a thread class right-hand 1.830" thread length flat chamfer head style 0.125" hole diameter 13 thread quantity per inch passivate surface treated unc thread series
3a thread class right-hand 0.534" thread length flat countersunk head style 0.428" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
2a nut thread a thread class 1.375" nut thread a thread length 14.875" overall length 143AAJF1bdaal nut thread a thread quantity per inch navy special project clor gold anodize ball end surface treated unc nut thread a thread series
2a nut thread a thread class right-hand nut thread a 2.500" nut thread a thread length 17.000" overall length 8 nut thread a thread quantity per inch unc nut thread a thread series
Used on w/s: close in weapon system (ciws-phalanx); aircraft, (ac-130h, mc-130h, ec-130e, hc-130); aircraft, airlifter c-17a; missile, tomahawk; helicopter, advance attack, ah-1w; spruance class dd (963); missile, all-weather anti-ship, harpoon (agm-84); los angeles class ssn (688); consolidated targets; engine, aircraft, tf-33-p-7 (c-141a/b). 3b thread class 24 thread quantity per inch coil unf thread series
3a thread class right-hand 0.250" thread length flat countersunk head style 56 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.375" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.635" thread length flat countersunk head style 20 thread quantity per inch navy special project cadmium screw surface treated unc thread series
3a thread class right-hand 0.490" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 1.093" thread length hexagon head style 4.563" grip length 16 thread quantity per inch cadmium surface treated unf thread series