The MIL-DTL-38999 Series II connectors, designed for harsh environments, boast up to 128 contacts within their environmentally sealed inserts. With an impressive operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Crafted from aluminum with plating options including cadmium and nickel, they ensure durability and conductivity. Meeting military specifications, these connectors guarantee performance in demanding applications.