DFI (Development Flight Instrumentation) Power Distribution and Control box, 7 x 7.75 x 20, featuring a total of 120 fuse holders running in rows on either side, and a set of six terminals, labeled J1 through J6 on front. Reverse of box bears an affixed Rockwell International Space Division label, "STK No. V070-783500-001, Model MV0070A, Contr. NAS-9-14000, Serial 03953-111380." In fine condition. The DFI was used on very early Shuttle flights to gather information about the various systems operation. This fuse box was utilized for the various instrumentation, including data recorders, telemetry equipment, and photographic equipment. The fuse holders are military/aircraft specification and are all gasketed.