Used on dsests tis and fvs/m1 tank directsupport test set. 2a thread class right-hand 1.217" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.420" thread length flat countersunk head style 20 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 1.137" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.875" thread length flat countersunk undercut head style 24 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.442" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 1.381" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand 0.198" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand 0.861" thread length flat countersunk head style 24 thread quantity per inch navy special project cadmium screw surface treated unjf thread series
3a thread class right-hand 2.170" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjf thread series