Used on itank,full tracked,xm1;tank,full tracked,m1 w/improved armor;tank,full tracked,m1a1;sight gunners auxil,m1 abrams tank;gas,m1,optical improvement program;gas,m1a1,oip;gunner's aux sight m1a1 abrams tank. 2a thread class right-hand 0.285" thread length fillister head style 32 thread quantity per inch identification plate type h, STYLE3; attached to head w/adhesive backing 12273343; 0.375 in dia; 0.020 in thk; initials az on plate 0.125 in high; slot 0.062 in wd, 2 places passivate surface treated unf thread series
3a thread class right-hand knurled no. 4 head style 32 thread quantity per inch navy special project straight knurl anodize head surface treated unc thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 0.490" grip length 32 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.400" thread length hexagon head style 0.490" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 1.500" thread length hexagon head style 10 thread quantity per inch with v undercut to 0.480 in dia, 60 deg angle 5/8 in. from bearing surface of head unc thread series
