"The item measures 14.230 inches in length and 10.250 inches in width. It consists of one heat sink, dip-brazed; one cover, brazing sheet aluminum alloy class 5 temper per MIL-B-20148 with a thickness of 0.050 inches; one set of fins from fin stock; fifty-three pads, aluminum alloy round, 6061 temp T6 per QQ-A-225/8, 0.437 inches in diameter; thirty-one plates, aluminum alloy sheet, 6061 temp T4 per QQ-A-250/11, 0.125 inches thick; and two stiffeners, aluminum alloy sheet, 6061 temp T4 per QQ-A-250/11, 0.062 inches thick."