MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in an insert for robust connectivity. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mounting options, including front and rear wall mount, jam nut, and box mount receptacles, they offer flexibility in installation. The connectors, made of aluminum, are environmentally sealed and come in different plating options, such as cadmium and nickel, ensuring durability. Compliant with military specifications, these connectors guarantee reliable performance in harsh conditions.