2a thread class right-hand 0.357" thread length pan no. 2 head style 40 thread quantity per inch navy special project passivate surface treated unc thread series
3a thread class right-hand 1.010" thread length double hexagon head style 16 thread quantity per inch cadmium threads or chromium threads surface treated counterbore unthreaded unf thread series
2a nut thread thread class 0.625" stud thread thread length 1.875" overall length 16 stud thread thread quantity per inch 0.062 in. w by 0.250 in. dia dog point on end of 0.625 in. thd lg unc stud thread thread series
2a nut thread thread class right-hand nut thread 0.312" stud thread thread length 1.125" overall length 18 stud thread thread quantity per inch 0.0625 in. lg by 25.0 deg chamfer on stud end thread; 0.625 in. radius on nut end thread unc stud thread thread series
3a thread class right-hand 0.308" thread length hexagon head style 1.677" grip length 32 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.312" thread length hexagon head style 0.063" grip length 24 thread quantity per inch cadmium or zinc surface treated unf thread series
2a nut thread a thread class right-hand nut thread a 1.500" nut thread a thread length 25.000" overall length 28 nut thread a thread quantity per inch unf nut thread a thread series
3a nut thread a thread class right-hand nut thread a 0.750" nut thread a thread length 16.000" overall length 28 nut thread a thread quantity per inch unf nut thread a thread series
3a thread class right-hand 0.750" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.329" thread length flat chamfer head style 24 thread quantity per inch cadmium or zinc screw surface treated unf thread series