The 204508-1 is a Series 90 high-density, standard mount D-subminiature crimp receptacle. It features a shell size of 5 with 78 contact positions designed to accept size 22 crimp contacts, which are sold separately. This connector is military qualified, conforming to MIL-DTL-24308 specifications under the military part number M24308/2-290F. These compact connectors are ideally suited for high-density package applications such as military equipment, ground support devices, computer peripherals, and industrial instrumentation.