MIL-DTL-38999 Series II connectors offer robust performance in harsh environments, with up to 128 contacts sealed within their insert. Operating seamlessly between -65 °C and 200 °C, these connectors come in various configurations, including front and rear wall mount, jam nut, and box mount receptacles. Featuring thin walls and a restricted length design, they are ideal for military and aerospace applications. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts, ensuring reliable connectivity. Crafted from aluminum with various plating options, such as cadmium and nickel, they guarantee durability. With RoHS certified finishes available, these connectors are not only high-performing but also environmentally compliant.