The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in a secure insert. With a wide operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. These connectors come in various configurations, including front and rear wall mount, jam nut, and box mount receptacles, ensuring versatility in installation. Utilizing M39029 rear release crimp contacts, they provide efficient connectivity in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and offering multiple plating options, such as cadmium and nickel, they meet stringent military specifications. Perfect for demanding applications, these connectors guarantee durability and high performance, making them ideal for aerospace, defense, and industrial use.