MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert for reliable connectivity. With operating temperatures ranging from -65 °C to 200 °C, they offer durability in extreme conditions. Available in various mount types, including front and rear wall mount, jam nut, and box mount receptacles, these connectors are versatile for different applications. Constructed with aluminum shells and offered in multiple plating options, such as gold and electroless nickel, they ensure high performance and corrosion resistance. Compliant with military specification MIL-DTL-38999 II, these connectors are suitable for demanding military and aerospace environments.