MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Available in various receptacle types including front and rear wall mount, jam nut, and box mount, they offer versatility in installation. The plugs, offered in straight, RFI grounding, and standard configurations with a 90-degree cable clamp, ensure secure connections. With 9 shell sizes and 52 insert arrangements, these connectors use M39029 rear release crimp contacts for reliable performance. Constructed with aluminum shells and a range of plating options such as cadmium and nickel, they meet stringent military specifications for durability. Suitable for applications requiring environmental resistance, these connectors guarantee a high mating cycle and conductive reliability.