MIL-DTL-38999 Series II connectors boast up to 128 contacts in a sealed insert, with an operating range of -65°C to 200°C. Featuring various mounting options like 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 reliable connectivity. Crafted from durable aluminum, they come with plating options including cadmium and nickel, meeting stringent military specifications. Designed for harsh environments, these connectors ensure secure, high-performance electrical connections in demanding applications.