3a nut thread thread class right-hand nut thread 1.125" nut thread thread length 5.250" overall length 10 stud thread thread quantity per inch unthreaded portion has a 2 in. radius at both adjacent to thread terminations uns stud thread thread series
3a thread class right-hand 0.620" thread length undercut hexagon head style 18 thread quantity per inch passivate surface treated concentric hole unthreaded unf thread series
3a nut thread thread class right-hand nut thread 0.420" nut thread thread length 24 stud thread thread quantity per inch navy special project unjf stud thread thread series
3a thread class right-hand 0.044" thread length flat countersunk head style 64 thread quantity per inch cadmium screw surface treated unf thread series