MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in a rugged insert. Designed for harsh environments, they provide reliable operation in extreme temperatures ranging from -65 °C to 200 °C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatile installation. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Crafted from aluminum with plating options including gold, electroless nickel, and cadmium-free finishes, these connectors guarantee long-lasting durability and corrosion resistance. Ideal for military and industrial applications, they meet MIL-DTL-38999 II specifications for superior performance in demanding environments.