2a thread class right-hand 0.198" thread length pan head style 24 thread quantity per inch zinc screw surface treated surface treatment per mil-std-171 except:0.0003 in. thick unc thread series
2a thread class right-hand 0.590" thread length flat chamfer head style 0.340" hole diameter 24 thread quantity per inch navy special project passivate screw surface treated unf thread series
3a thread class right-hand 0.625" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand 0.188" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand 0.407" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
