Used on c-5 aircraft. 3a thread class right-hand 0.469" thread length flat countersunk head style 1.240" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.276" thread length flat countersunk head style 1.250" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.469" thread length dished hexagon head style 0.688" grip length 24 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.276" thread length flat countersunk head style 0.875" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.316" thread length flat countersunk head style 0.375" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.316" thread length flat countersunk head style 0.312" grip length 28 thread quantity per inch cadmium surface treated unjf thread series