The MIL-DTL-38999 Series II connectors are essential components for harsh environment applications, offering reliable connectivity in extreme conditions. With up to 128 contacts housed within a sealed insert, they ensure secure and efficient transmission. Operating seamlessly in temperatures ranging from -65 °C to 200 °C, these connectors are built for durability. Available in various mount types, including front wall, rear wall, and jam nut receptacles, they cater to diverse installation needs. The connectors come in nine shell sizes and 52 insert arrangements, accommodating a wide range of contact configurations. Crafted from aluminum, they are robust yet lightweight, with plating options such as cadmium and nickel for enhanced corrosion resistance. These connectors, meeting MIL-DTL-38999 II specifications, guarantee high performance in military and industrial settings, making them ideal for critical applications where reliability is paramount.