Part Number: 12271780 (Switching unit) Part Number: 1227-1-789 (Diode 5amp200piv do4) Part Number: 12271793 (Ckt card assy) Part Number: 12271796 (Capacitor) Part Number: 12-2717A (Hardware) Part Number: 122718 (Rivet) Part Number: 12271800 (Component) Part Number: 12271805 (Washer) Part Number: 12271807 (Retainer) Part Number: 12271808 (Retainerelectron tu) Part Number: 12271810 (Mirror) Part Number: 12271813 (Ne) Part Number: 122-7182 (No description) Part Number: 12271825 (Eyepiece assy.)