3a thread class right-hand 0.366" thread length dished hexagon head style 0.615" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
Used on mrap - m-atv with cs13 pop and sne. 2a thread class right-hand 0.312" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 1.146" thread length double hexagon w/hole head style 0.062" hole diameter 1.720" grip length 20 thread quantity per inch navy special project cadmium surface treated unf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.126" grip length 1490 single pounds per square inch shear strength lock ring nickel-copper alloy qq-n-281
3a thread class right-hand 0.330" thread length hexagon head style 0.047" hole diameter 36 thread quantity per inch silver screw surface treated unf thread series