"MATERIAL 0.500 INCHES BY 0.750 IN. BY 1.000 INCH STEEL PLATE PER SPEC MIL-S-6759,FINISH CADMIUM PLATE PER SPEC QQ-P-416,1 HOLE TAP DRILL THRU COUNTERSUNK 110 DEGREES TO 0.190 DIAMETER TAP 1032 NF-2B SPEC MIL-S-7742,LENGTH 0.938 INCHES,HEIGHT 0.750 INCHES,WIDTH 0.598 INCHES,2 UNDERCUTS 0.31 RADIUS"