2a thread class right-hand 2.603" thread length hexagon head style 24 thread quantity per inch chromate zinc or cadmium surface treated unf thread series
2a thread class right-hand 2.250" thread length hexagon head style 8 thread quantity per inch screw, cap, hexagon head zinc surface treated unc thread series
3a thread class right-hand 0.875" thread length hexagon head style 0.062" hole diameter 16 thread quantity per inch navy special project unc thread series
2a thread class right-hand 1.500" thread length hexagon head style 18 thread quantity per inch screw, cap, hexagon head zinc surface treated unf thread series
Used on nsn 2330-01-275-7474 hemat trailer. 2a thread class right-hand 3.500" thread length hexagon head style 6 thread quantity per inch unc thread series