MIL-DTL-38999 Series II connectors, designed for harsh environments, boast up to 128 contacts in a sealed insert. With an operational range from -65 °C to 200 °C, these connectors offer versatile mounting options including front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they feature M39029 rear release crimp contacts for reliable connectivity. Crafted from aluminum, with various plating options including gold and electroless nickel, these connectors ensure durability and performance. Meeting military specification MIL-DTL-38999 II, they are ideal for demanding applications requiring rugged, high-performance connectors.