7two circuit card assemblies mtd back to back on a page frame secured together by two captive nuts, c/o capacitor 9, connector 2, diode 24, microcircuit 69, printed wiring board 2, resistor 62, transistor 7, 7.980 in. O/a lg, 3.192 in. O/a w, 0.420 in. O/a h