The EDAC-117 is a Elco/Edac receptacle with Actuating Screw that is equivalent and fully interchangeable and mateable with ELCO-816 connectors. You can order in 20, 38, 56, 90 or 120 pin assemblies. Ordering a complete connector is as easy as choosing a male or female end, the proper metal cover, the pin count and contact type and the necessary tools.