2a thread class right-hand 0.407" thread length flat countersunk undercut head style 32 thread quantity per inch navy special project furnished with washer on threaded end passivate surface treated unc thread series
2a thread class right-hand 0.344" thread length fillister countersunk head style 32 thread quantity per inch navy special project furnished w/one captivated flat cres washer passivate surface treated unc thread series
2a thread class right-hand 0.407" thread length oval countersunk head style 32 thread quantity per inch navy special project furnished with washer on threaded end passivate surface treated unc thread series
right-hand 1.844" thread length hexagon head style 16 thread quantity per inch bearing surface is roound 1.055 in. dia. oxide surface treated unf thread series
2a thread class right-hand 0.250" thread length watertight head style 32 thread quantity per inch cadmium screw surface treated furnished with one silicone rubber o ring unc thread series
3a thread class right-hand 0.250" thread length headless (setscrew) head style 24 thread quantity per inch cadmium or chromium surface treated unf thread series