3a thread class right-hand 0.933" thread length dished hexagon head style 1.678" grip length 12 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.380" thread length flat countersunk head style 5.865" grip length 32 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.609" thread length hexagon head style 0.546" grip length 24 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.553" thread length undercut hexagon head style 1.115" grip length 24 thread quantity per inch cadmium surface treated unf thread series
Used on helicopter,super joll h-53;helicopter,mh-53e;helicopter,sof/h-53h;ch-53 helicopter;rh-53 helicopter. 3a thread class right-hand 0.589" thread length double hexagon w/hole head style 3.240" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.524" thread length flat chamfer head style 0.044" hole diameter 28 thread quantity per inch oxide surface treated unrf thread series