MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65°C to 200°C, these connectors offer reliability in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount, they cater to diverse applications. The connectors come in aluminum shells with plating options like cadmium and nickel, ensuring durability. Utilizing M39029 rear release crimp contacts, they provide secure connections in sizes 22D, 22M, 22, 20, 16, and 12. Meeting military specification MIL-DTL-38999 II, these connectors guarantee high performance, making them ideal for demanding environments.