MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range from -65 °C to 200 °C, these connectors offer reliable performance in demanding conditions. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, they ensure versatile installation options. The aluminum shells come with different plating choices such as cadmium, nickel, and anodized finishes. Equipped with M39029 rear release crimp contacts, these connectors guarantee secure connections. Meeting military specification MIL-DTL-38999 II, they are ideal for applications requiring durability and resistance to environmental factors.