2a thread class right-hand 0.491" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.781" thread length flat countersunk head style 20 thread quantity per inch cadmium screw surface treated unjf thread series
2a thread class right-hand 2.000" thread length hexagon head style 0.140" hole diameter 14 thread quantity per inch phosphate surface treated unf thread series
3a thread class right-hand 0.938" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjf thread series
2a thread class right-hand 0.282" thread length watertight head style 32 thread quantity per inch oxide screw surface treated furnished with one silicone rubber o ring unf thread series
Used on HH-60. 3a thread class right-hand 0.323" thread length flat countersunk head style 0.178" grip length 32 thread quantity per inch aluminum surface treated unjc thread series
3a thread class right-hand 0.594" thread length dished hexagon head style 2.115" grip length 18 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.626" thread length dished hexagon head style 3.240" grip length 18 thread quantity per inch cadmium surface treated unjf thread series