3a thread class right-hand 0.688" thread length flat countersunk head style 32 thread quantity per inch chromate screw surface treated unf thread series
2a thread class right-hand 1.835" thread length flat countersunk undercut head style 24 thread quantity per inch passivate screw surface treated unf thread series
Used on spec item. 2a thread class right-hand 0.250" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.600" thread length flat fillister head style 80 thread quantity per inch navy special project passivate screw surface treated unjf thread series
3a thread class right-hand 0.661" thread length flat fillister head style 80 thread quantity per inch navy special project passivate screw surface treated unjf thread series
3a thread class right-hand 0.312" thread length flat fillister head style 40 thread quantity per inch navy special project cadmium screw surface treated unjc thread series
3a thread class right-hand 0.563" thread length flat fillister head style 32 thread quantity per inch navy special project cadmium screw surface treated unjc thread series
3a thread class right-hand 1.063" thread length flat fillister head style 32 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand 0.375" thread length flat fillister head style 32 thread quantity per inch navy special project cadmium screw surface treated unjc thread series
3a thread class right-hand 0.438" thread length flat fillister head style 32 thread quantity per inch navy special project cadmium screw surface treated unjc thread series
3a thread class right-hand 2.125" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjf thread series
2a thread class right-hand 0.188" thread length flat countersunk head style 56 thread quantity per inch navy special project cadmium screw surface treated unc thread series
3a thread class right-hand 0.250" thread length pan head style 40 thread quantity per inch navy special project passivate screw surface treated unjf thread series