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 of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility for different applications. Compliant with military specification MIL-DTL-38999 II, these connectors are constructed with aluminum shells and offer multiple plating options for corrosion resistance. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Suitable for both military and industrial use, these connectors are built to withstand tough operating environments.