Used on c-5 acft. 3a thread class right-hand 1.036" thread length double hexagon extended washer head style 3.125" grip length 16 thread quantity per inch bolt, shear cadmium surface treated unjf thread series
Used on c-135 aircraft. 3a thread class right-hand 0.454" thread length dished hexagon head style 2.688" grip length 24 thread quantity per inch bolt, shear aluminum surface treated unjf thread series
