The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The connectors come in aluminum shells with plating options like gold, electroless nickel, and cadmium-free finishes, ensuring durability and reliability. With MIL-DTL-38999 II certification, these circular plugs guarantee high performance in military and industrial settings.