3a thread class right-hand 0.438" thread length hexagon head style 24 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.506" thread length hexagon head style 24 thread quantity per inch six drilled holes in head passivate surface treated unf thread series
3a thread class right-hand 0.328" thread length hexagon head style 0.062" hole diameter 24 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand flush countersunk head style 0.813" grip length 40 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated uns thread series
Used on w/s: aircraft, tomcat f-14. 3b thread class right-hand 20 thread quantity per inch collar color green cadmium washer surface treated unjf thread series