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, these connectors offer reliable performance in various conditions. Available in different mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. The connectors come in aluminum shells with plating options including cadmium and nickel, ensuring durability. Utilizing M39029 crimp contacts, they offer secure connections with options for straight, RFI grounding, and 90-degree cable clamp plugs. Meeting military specification MIL-DTL-38999 II, these connectors are ideal for demanding environments where rugged and reliable connectivity is essential.