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 from -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mounting styles such as front wall mount, rear wall mount, jam nut, and more, they offer versatility in installation. The connectors come in aluminum shells with plating options including gold, electroless nickel, and cadmium-free finishes, ensuring durability and reliability. With MIL-DTL-38999 II military specification compliance, these circular receptacles guarantee performance in rugged conditions.