Used on multiple shipboard weapons systems application. 2a 3rd end bulkhead thread class 14 2nd end thread quantity per inch cadmium surface treated unef 1st end thread series
3a 2nd end thread class precious metal, gold, weight, 0.0020 pound per tee, gold brazing ring located on first passivate inside surface treated unf 2nd end thread series
3a 2nd end thread class 12 1st end thread quantity per inch first end bulkhead, unj, 1.062 in. td size, 3a thd class passivate inside surface treated unj 1st end thread series
Used on aircraft application. 3a 2nd end thread class 12 all ends thread quantity per inch first end bulkhead, unj, 1:062 in. thd size, 3a class anodize inside surface treated unj all ends thread series
