2a thread class right-hand 1.900" overall length 13 thread quantity per inch taper stud end 12 deg 30 minutes 0.210 in. min 0.230 in. max lg unc thread series
3a thread class right-hand 1.924" overall length 24 thread quantity per inch navy special project one end w/wrench flats passivate surface treated unf thread series
right-hand nut thread 2.000" overall length 16 nut thread thread quantity per inch chamfer one end 0.180 in. by 12.3 degrees unc nut thread thread series