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 environmentally sealed for reliable performance. Available in various mounting options such as front wall mount, rear wall mount, jam nut, and more, they offer versatility in installation. The connectors come in aluminum shells with plated finishes like gold and electroless nickel, meeting stringent military specifications. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connectivity. Suitable for applications requiring rugged and durable electrical connections, the MIL-DTL-38999 II connectors provide dependable performance even in demanding conditions.