Aluminum alloy qq-q-250/1, temper h14, chemical film finish mil-c-5541, class 3, front card rack 8.250 in. Lg, 6.380 in. W, w/4 holes 0.144 in. Dia, rear card rack 8.250 in. Lg, 6.375 in. W, w/3 holes 0.28i in. Dia, 9 ea connectors p/n 600027-10, 1 ea plate p/n 708831-99, 9 ea ground contacts p/n 600054-01, 4 ea terminals p/n se089b01, 1 ea connector p/n 07-5540-079-pls1rs5, 1 ea connector p/n 07-5540-079-pls1rs6, 1 ea connector p/n600027-01