Aluminum or alloy, anodize all surfaces per mil-a-8625 type 1, class 1, color medium gray except edge surface which shall be chem film chromic acid coated per mil-c-5541; 8.04/8.07 in.Lg, 4.12/4.15 in.W, 0.050 in. Stk edge h, 12 0.126/0.134 in.Dia holes, corner holes 0.15/0.17 in.From each side, 1.93 in.C to c between holes lengthwise, 1.90 in.C to c between holes widthwise; corners chamfered 40/50 degrees by 0.06/0.10 in., rectangular in shape
