3.190" overall length 1.500" overall width two polorization slots, one slot 0.375 in. from mounting hole on one side, slot on other side 2.000 in. from mounting hole
2b thread class right-hand 3.190" overall length 1.500" overall width 40 thread quantity per inch two polarization slots, one slot 0 .875 in. from mounting holes unc thread series