Used on fuselage sect. 3a thread class right-hand 0.188" thread length flat fillister head style 32 thread quantity per inch cadmium screw surface treated item is self locking unjf thread series
Used on fuselage sect, f-15 eagle. 3a thread class right-hand 0.375" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
Used on tristar aircraft. 3a thread class right-hand 1.750" thread length fillister head style 32 thread quantity per inch passivate screw surface treated unjf thread series