The MIL-DTL-38999 Series II connectors, designed for harsh environments, feature up to 128 contacts within an insert for robust connectivity. With front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles, they offer versatile installation options. These connectors, compliant with military specifications, ensure reliable performance with an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Crafted from aluminum with options for plating, including cadmium-free finishes, they guarantee durability and longevity in demanding applications. Suitable for military and industrial use, these connectors are essential for maintaining seamless communication and power transmission in critical environments.