The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65°C to 200°C, they offer reliable performance in extreme conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatility in installation. Utilizing M39029 rear release crimp contacts, they guarantee secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Constructed with aluminum shells and offering plating options like gold, electroless nickel, and anodized aluminum, they provide durability and corrosion resistance. Meeting MIL-DTL-38999 II military specifications, these connectors are ideal for demanding applications requiring rugged and reliable connectivity.