Used on consolidated targets. 3a thread class right-hand 0.397" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unjf thread series
2a thread class right-hand 0.375" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unf thread series
3a nut thread thread class right-hand nut thread 2.000" stud thread thread length 1.750 feet overall length 8 stud thread thread quantity per inch heat treated C34-C36n; undercut both ends to root of thread 0.250 in. lg; recess on shoulder 1.500 in. lg; 1.625 in. dia.; countersunk both ends 0.500 in dia shouldered un nut thread thread series
3a thread class right-hand 0.235" thread length watertight head style 40 thread quantity per inch navy special project furnsihed w/one non-metallic flat washer cadmium surface treated unc thread series
3a nut thread thread class right-hand nut thread 0.615" stud thread thread length 18 nut thread thread quantity per inch 4 shoulders, two close together 0.480-0.520 in. lg; each end; space between two shoulders 0.110-0.120 both ends; pd after plating 0.3840-0.3855 in. thd a cadmium surface treated uns stud thread thread series
2a thread class 0.270" thread length flat chamfer head style 40 thread quantity per inch navy special project passivate surface treated unc thread series
3a thread class right-hand 0.485" thread length double hexagon extended washer head style 32 thread quantity per inch passivate surface treated unjf thread series