MIL-DTL-38999 Series II connectors boast up to 128 contacts within an insert, designed for harsh environments with an impressive operating range of -65 °C to 200 °C. These connectors, featuring various mounting options like front and rear wall mount, jam nut, and box mount receptacles, are essential for military and aerospace applications. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts, ensuring reliable connectivity. Crafted from aluminum with plating options such as gold, electroless nickel, and cadmium-free finishes, they offer durability and performance. Meeting MIL-DTL-38999 II standards, these connectors guarantee quality and compliance for critical operations.