2a stud thread thread class right-hand stud thread 0.5625" stud thread thread length 6.0625" overall length 24 stud thread thread quantity per inch heat treat=type ii finish, class a, per spec 57-0-2; pitch dia.=0.548 in. shouldered unf stud thread thread series
Used on aim-9 sidewinder missile. material 1/2 hard brass per qq-b-611 comp b; finish cadmium plat per qq-p-416 type ii class c; threads per mil-s-7742
3a thread class right-hand 0.590" thread length dee chamfer head style 24 thread quantity per inch shoulder relief 0.060 in. wide, 0.365 in. from bearing surface of head cadmium surface treated unf thread series
2a thread class right-hand 0.188" thread length crowned hexagon head style 28 thread quantity per inch washer faced bearing surface on hhead; thd relief 0.062 in. w phosphate surface treated unf thread series
3a thread class right-hand 0.580" thread length ball head style 24 thread quantity per inch shoulder relief 0.060 in. wide, 0.410 in. from bearing sirface of head unf thread series
3a thread class right-hand 0.690" thread length dee chamfer head style 0.730" grip length 24 thread quantity per inch undercut in grip 0.055 in. to 0.065 in. wide by 0.010 in. deep unf thread series
2a thread class right-hand 0.437" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.313" thread length fillister head style 0.046" hole diameter 32 thread quantity per inch cadmium screw surface treated unc thread series
