2a thread class right-hand flat countersunk head style 24 thread quantity per inch navy special project passivate screw surface treated unc thread series
3a thread class right-hand 0.472" thread length hexagon head style 24 thread quantity per inch navy special project furnished with retaining element cadmium surface treated unjf thread series
2a thread class right-hand 0.312" thread length hexagon head style 0.046" hole diameter 32 thread quantity per inch cadmium or zinc screw surface treated unc thread series
2a nut thread a thread class left-hand nut thread b 2.250" nut thread a thread length 22.375" overall length 10 nut thread a thread quantity per inch unc nut thread a thread series