2a thread class right-hand 0.209" thread length fillister head style 56 thread quantity per inch undercut in bearing surface of head depth 0.005 to 0.010 diameter 0.124 to 0.141 unc thread series
2a thread class right-hand 0.325" thread length pan head style 40 thread quantity per inch passivate screw surface treated enamel color gray unc thread series
2a thread class right-hand 0.315" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.227" thread length flat countersunk head style 20 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.390" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.380" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated serrated grip 0.123 in. lg beginning at head unc thread series
3a thread class right-hand 0.638" thread length pan head style 40 thread quantity per inch navy special project passivate screw surface treated unjc thread series
3a thread class right-hand 1.750" thread length pan head style 32 thread quantity per inch navy special project passivate screw surface treated unjf thread series
3a thread class right-hand 0.464" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.499" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 1.011" thread length flat countersunk head style 28 thread quantity per inch passivate screw surface treated unjf thread series
3a thread class right-hand 1.722" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.314" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.469" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated unjf thread series
Used on mrap rg-33. 3a thread class right-hand 0.450" thread length hexagon head style 32 thread quantity per inch passivate screw surface treated unjf thread series