3a thread class right-hand 0.318" thread length flat countersunk head style 28 thread quantity per inch navy special project cadmium or chromate screw surface treated unjf thread series
2a thread class right-hand 0.449" thread length pan no. 2 head style 24 thread quantity per inch navy special project cadmium screw surface treated unc thread series
2a thread class right-hand 0.250" thread length round head style 40 thread quantity per inch navy special project passivate screw surface treated unc thread series
2a thread class right-hand 0.407" thread length pan head style 32 thread quantity per inch passivate screw surface treated color red enamel collins no. 580-0020-00 unc thread series
3a thread class right-hand 0.344" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.320" thread length hexagon head style 40 thread quantity per inch navy special project passivate screw surface treated unc thread series
2a thread class right-hand 0.594" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.378" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.406" thread length round extended washer head style 28 thread quantity per inch cadmium screw surface treated unf thread series