2a thread class right-hand 1.250" thread length hexagon head style 20 thread quantity per inch screw, cap, hexagon head zinc surface treated unf thread series
Used on part of the front cowl armor kit nsn 2540-01-533-8820; nha nsn m15a3 armor kit 2540-01-523-1336; armored version of m915a3 2320-01-523-2486. 2a thread class right-hand 0.639" thread length hexagon head style 18 thread quantity per inch plating includes oil phosphate zinc surface treated unc thread series
2a thread class right-hand 1.125" thread length hexagon head style 14 thread quantity per inch screw, cap, hexagon head zinc surface treated unc thread series
2a thread class right-hand 1.125" thread length hexagon head style 20 thread quantity per inch screw, cap, hexagon head zinc surface treated unf thread series
2a thread class right-hand 1.250" thread length hexagon head style 0.092" hole diameter 13 thread quantity per inch cadmium surface treated unc thread series