MIL-DTL-38999 Series II connectors boast up to 128 contacts within a sealed insert, designed to withstand harsh environments with an operating range of -65 °C to 200 °C. Available in various configurations like front and rear wall mounts, jam nut, and box mounts, these connectors offer versatility in installations. Featuring 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Crafted from durable aluminum, the connectors come with plating options including cadmium and nickel finishes. With RoHS compliant options, these connectors ensure reliable performance in demanding military and industrial applications.