MIL-DTL-38999 Series II connectors boast up to 128 contacts within their environmentally sealed inserts, designed for extreme operating temperatures ranging from -65 °C to 200 °C. Featuring various mounting options including front wall mount, rear wall mount, jam nut, and box mount receptacles, these connectors are ideal for harsh environments. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for reliable connectivity. Crafted from durable aluminum, with plating options such as cadmium and electroless nickel, they ensure long-lasting performance. RoHS compliant finishes are also available. Perfect for military and industrial applications, these connectors guarantee secure and efficient electrical connections in demanding settings.