MIL-DTL-38999 Series II connectors are designed for demanding environments, with up to 128 contacts housed in an insert for secure connectivity. These connectors offer reliable performance in extreme temperatures ranging from -65°C to 200°C. 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 use M39029 rear release crimp contacts for efficient assembly. Crafted from durable aluminum, they come with plating options including cadmium and nickel, ensuring corrosion resistance. With RoHS compliant finishes, these connectors guarantee high-quality standards for military and industrial applications.