3a thread class right-hand 0.625" thread length flat countersunk head style 2.052" grip length 18 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.422" thread length flat chamfer head style 0.033" hole diameter 32 thread quantity per inch navy special project unc thread series
3a thread class right-hand 0.178" thread length headless (setscrew) head style 40 thread quantity per inch passivate surface treated unjc thread series
3a thread class right-hand 0.315" thread length hexagon head style 28 thread quantity per inch furnished with one hole in top of head 0.201 in. dia by 0.080 in. deep unjf thread series
3a thread class right-hand 0.477" thread length flat countersunk head style 28 thread quantity per inch three 0.035 in. to 0.045 in. wide splines in shank at 120 degrees cadmium surface treated unf thread series
2a thread class right-hand 1.534" thread length hexagon head style 0.094" hole diameter 13 thread quantity per inch passivate surface treated unc thread series
Used on nsn 2320-01-097-0260 hemtt (heavy expanded mobility tactical truck). right-hand 10 thread quantity per inch weapon system essential unc thread series