2a thread class right-hand 2.000" thread length 2.875" overall length 16 thread quantity per inch id of eye tapped 3/8-16 nc zinc surface treated round, closed unc thread series
3a thread class right-hand 0.391" thread length 5.311" overall length 32 thread quantity per inch navy special project cadmium surface treated round, closed w/shoulder unf thread series
3a thread class right-hand 0.515" thread length 3.954" overall length 24 thread quantity per inch navy special project cadmium surface treated round, closed w/shoulder unf thread series