MIL-DTL-38999 Series II connectors offer reliable connectivity in harsh environments with up to 128 contacts housed in an environmentally sealed insert. Designed for a wide range of applications, these connectors feature various mounting options such as front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. With a durable aluminum shell and multiple plating options including electroless nickel and cadmium finishes, these connectors ensure long-lasting performance. Operating between -65 °C and 200 °C, they meet stringent military specifications for environment resistance and reliability. Perfect for demanding industrial and aerospace applications, these MIL-DTL-38999 Series II connectors guarantee exceptional performance in rugged conditions.