2a thread class right-hand 1.000" thread length hexagon head style 16 thread quantity per inch includes a silicone rubber o-ring under head pt no 21849 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
2a thread class right-hand 3.125" thread length hexagon head style 0.070" hole diameter 12 thread quantity per inch navy special project unf 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
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 1.750" thread length hexagon head style 0.092" hole diameter 16 thread quantity per inch cadmium surface treated unf thread series