MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts within an insert. With environmental sealing and a wide operating temperature range of -65°C to 200°C, they offer reliable performance in demanding conditions. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, as well as straight and 90-degree cable clamp plugs, these connectors are versatile. Utilizing M39029 rear release crimp contacts in different sizes, they ensure secure connections. Crafted from aluminum with plating options like cadmium and nickel, they meet stringent military specifications. Suitable for applications requiring durability and conductivity, these connectors are essential in aerospace, defense, and industrial settings.