"9STEEL,MIL-S-11415 CLASS E;CADMIUM PLATE QQ-P-416 CLASS 3 TYPE II;1.500 IN. W; 0.190 IN. THK;3.000 IN. LG; 1 RD HOLE 0.620 IN. DIA,1 HOLE 0.625 IN. LG X 0.565 IN. W,HOLES LOCATED 1.500 IN. CTR TO CTR;BOTH HOLES COUNTERBORED 1.130 IN. DIA 0.055 IN. DP"