3a nut thread thread class right-hand nut thread 0.325" nut thread thread length 0.939" overall length 32 nut thread thread quantity per inch hex point drive in nut end 0.104 inch min 0.119 inch max dia cadmium surface treated shouldered unjf nut thread thread series
3a thread class right-hand 0.403" thread length flat countersunk head style 0.678" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.444" thread length hexagon head style 1.990" grip length 24 thread quantity per inch optional dished hex head design unjf thread series
3a thread class right-hand hexagon head style 0.033" hole diameter 28 thread quantity per inch navy special project chromate surface treated unf thread series
2a thread class right-hand 0.183" thread length watertight head style 56 thread quantity per inch navy special project passivate screw surface treated unc thread series
3a thread class right-hand 0.459" thread length hexagon head style 0.070" hole diameter 32 thread quantity per inch passivate surface treated unjf thread series