The MIL-DTL-38999 Series II connectors are designed for harsh environments, offering reliable connectivity with up to 128 contacts in an insert. Featuring a rugged construction, they are environmentally sealed and can operate in temperatures ranging from -65°C to 200°C. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatile installation. With gold-plated contacts and a choice of finishes including electroless nickel and cadmium olive drab, they guarantee excellent conductivity and corrosion resistance. Meeting military specifications, these circular connectors are ideal for applications requiring durability and performance in demanding conditions.