Used on 1520014575179 helicopter,cargo-transport. 3a thread class right-hand 0.325" thread length flat chamfer head style 0.625" grip length 32 thread quantity per inch bolt, hex head internal hex drive is 0.0791 min to 0.0806 max unjf thread series
3a thread class right-hand 0.370" thread length hexagon head style 1.000" grip length 28 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.454" thread length hexagon head style 1.000" grip length 24 thread quantity per inch passivate surface treated unjf thread series
Used on c130 aircraft. 3a thread class right-hand 0.591" thread length dished hexagon head style 0.688" grip length 20 thread quantity per inch bolt, 100 degree reduced head cadmium surface treated unjf thread series
3a thread class right-hand 0.902" thread length hexagon head style 1.188" grip length 18 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 1.041" thread length hexagon head style 1.812" grip length 16 thread quantity per inch cadmium surface treated unjf thread series