2a thread class right-hand 1.125" thread length flat countersunk head style 32 thread quantity per inch cadmium or zinc screw surface treated unf thread series
2a thread class right-hand 0.777" thread length flat countersunk head style 13 thread quantity per inch cadmium or zinc screw surface treated unc thread series
Used on nsn 4210-01-486-1035 tfft (tactical fire fighting truck). 2a thread class right-hand 1.062" thread length button head style 14 thread quantity per inch zinc surface treated unc thread series
3a thread class right-hand 0.374" thread length hexagon head style 0.984" grip length 32 thread quantity per inch one flat on head parallel to one side of hex 0.325 in. distance unf thread series
2a thread class right-hand 1.020" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.375" thread length headless (setscrew) head style 16 thread quantity per inch cadmium or zinc surface treated unc thread series