2a thread class right-hand 0.250" thread length fillister head style 56 thread quantity per inch oxide screw surface treated head has a slot 0.31 in.w; 0.030 in deep unc thread series
2a thread class right-hand 0.213" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.401" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.148" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.434" thread length flat countersunk head style 56 thread quantity per inch navy special project cadmium screw surface treated blacken per unichrome bulletin p-65-b-cd or equivalent unc thread series
2a thread class right-hand 1.250" thread length flat countersunk head style 32 thread quantity per inch oxide film screw surface treated unc thread series
2a thread class right-hand 0.886" thread length fillister head style 0.070" hole diameter 24 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 2.193" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 2.332" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unjf thread series
2a thread class right-hand 0.294" thread length watertight head style 40 thread quantity per inch furnished w/rubber silicone, o-ring, zz-r-765 unc thread series