Used on fvs/m1 tank direct spt test set. 2a thread class right-hand 1.287" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.190" thread length flat chamfer head style 40 thread quantity per inch navy special project passivate screw surface treated unc thread series
3a thread class right-hand 0.656" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 1.750" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.412" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 1.340" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjf thread series
3a thread class right-hand 0.549" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unjc thread series