2a thread class right-hand 0.578" thread length flat countersunk head style 24 thread quantity per inch dichromate zinc screw surface treated unf thread series
2a thread class right-hand 0.059" thread length flat countersunk undercut head style 80 thread quantity per inch nickel screw surface treated unf thread series
2a thread class right-hand 0.422" thread length fillister head style 0.046" hole diameter 32 thread quantity per inch cadmium or zinc screw surface treated unf thread series
2a thread class right-hand 0.281" thread length fillister head style 0.046" hole diameter 24 thread quantity per inch cadmium or zinc screw surface treated unc thread series
Used on sh-60b helicopter, cobra attack helicopter, b1b bomber, c-130 hercules. 2a thread class right-hand 0.312" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.336" thread length fillister head style 0.062" hole diameter 28 thread quantity per inch anodize screw surface treated unf thread series
3a thread class right-hand 0.195" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unjc thread series
2a thread class right-hand 0.132" thread length fillister head style 80 thread quantity per inch navy special project passivate screw surface treated unf thread series
2a thread class right-hand 0.089" thread length flat chamfer head style 32 thread quantity per inch passivate screw surface treated thd relief 0.046 in. w by 0.142 in. min 0.148 in. max dia, and point chamfer 45.0 degrees unc thread series