2a thread class right-hand 0.180" thread length watertight head style 40 thread quantity per inch furnished with o-ring passivate surface treated unc thread series
2a thread class right-hand 0.560" thread length flat chamfer head style 32 thread quantity per inch six holes in head, 0.044 in. min 0.055 in. max dia passivate surface treated unf thread series
2a thread class right-hand 0.558" thread length hexagon head style 0.093" hole diameter 13 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.625" thread length hexagon head style 0.063" hole diameter 16 thread quantity per inch passivate surface treated unc thread series
Used on family of hemtt vehicles (heavy expanded mobility tactical trucks). 3a thread class right-hand 1.264" thread length hexagon head style 18 thread quantity per inch unf thread series