3a nut thread a thread class right-hand nut thread a 0.555" stud thread thread length 3.703" overall length 16 nut thread b thread quantity per inch cadmium surface treated locked in unf nut thread a thread series
3a nut thread thread class right-hand nut thread 0.562" stud thread thread length 1.719" overall length 14 stud thread thread quantity per inch navy special project locked in unc stud thread thread series