3a thread class right-hand 0.750" thread length 2.666" overall length 24 thread quantity per inch cadmium or zinc surface treated round, closed unf thread series
3a thread class right-hand 0.610" thread length 5.410" overall length 28 thread quantity per inch navy special project shank has shoulder located under eye 0.240 in. lg 0.420 in. dia round, closed w/shoulder unjf thread series
2a thread class right-hand 4.109" thread length 28 thread quantity per inch 45 deg chamfer on thd end cadmium or zinc surface treated unf thread series
3a thread class right-hand 0.438" thread length 1.094" overall length 28 thread quantity per inch navy special project cadmium surface treated round, closed w/shoulder unf thread series
right-hand 1.500" thread length 2.254" overall length 28 thread quantity per inch countersunk hole in eye 0.344 in. dia by 90 deg round, closed unf thread series