3a nut thread thread class right-hand nut thread 1.105" nut thread thread length 3.620" overall length 14 nut thread thread quantity per inch nut end first two threads, class 2a fit cadmium or zinc surface treated shouldered unf nut thread thread series
2a nut thread thread class right-hand nut thread 0.640" stud thread thread length 2.690" overall length 18 nut thread thread quantity per inch navy special project 0.140 in. lg by 0.094 in. dia locking pin passivate surface treated unc nut thread thread series
3a nut thread thread class right-hand nut thread 0.246" stud thread thread length 1.150" overall length 32 nut thread thread quantity per inch shank dia 0.158 in. min, 0.164 in. max unc nut thread thread series
3a nut thread thread class right-hand nut thread 0.125" stud thread thread length 1.145" overall length 32 nut thread thread quantity per inch hole in unthreaded area centered min. 0.065; max. 0.075 in dia. shouldered unc nut thread thread series
2a nut thread thread class right-hand nut thread 0.260" stud thread thread length 1.040" overall length 24 stud thread thread quantity per inch nut end unthreaded 0.150 in. lg, 0.145 in. min 0.150 in. max dia cadmium surface treated shouldered unc stud thread thread series
2a nut thread thread class right-hand nut thread 1.250" stud thread thread length 3.500" overall length 20 nut thread thread quantity per inch nut, hexagon fastened to stud w/pin, spring to form hexagon shoulder shouldered unf nut thread thread series
2a nut thread thread class right-hand nut thread 0.607" nut thread thread length 24 nut thread thread quantity per inch navy special project unf nut thread thread series