Used on avionics. 3a thread class right-hand 0.750" thread length crowned hexagon head style 0.031" grip length 24 thread quantity per inch bolt machine cadmium surface treated unjf thread series
Used on waterwash simplification. 3a thread class right-hand 0.640" thread length hexagon head style 3.797" grip length 24 thread quantity per inch bolt-stabilized, non-magnetic, cres passivate surface treated unf thread series
Used on a-10 wrp. 3a thread class right-hand 0.480" thread length double hexagon extended washer head style 24 thread quantity per inch bolt tension, 12 point external wrenching cadmium surface treated unjf thread series