2a thread class right-hand 4.570" thread length hexagon head style 11 thread quantity per inch undercut between headand threads 0.180 in. nom length, 0.540 in. nom dia passivate surface treated unc thread series
3a thread class right-hand 1.250" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 1.000" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.440" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.880" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjf thread series
Used on uh-60,hh-60 main rotor swashplate assy 70104-08000-050. 3a thread class right-hand 0.667" thread length crowned hexagon head style 3.615" grip length 18 thread quantity per inch unjf thread series
Used on uh-60,hh-60tail roto instl 70000-11100-015. 3a thread class right-hand 0.375" thread length crowned hexagon head style 1.825" grip length 24 thread quantity per inch unjf thread series
Used on uh-60,hh-60 main rotor hub assy 70103-08200-041. 3a thread class right-hand 0.788" thread length crowned hexagon head style 4.025" grip length 16 thread quantity per inch related nsn is air force pn 8936423-01 which refers back to this item with additional testing requirements. unjf thread series
2a thread class right-hand 0.372" thread length hexagon head style 24 thread quantity per inch paint one coat of primer to mil-p-23377 or mms 425 passivate surface treated unf thread series
