MIL-DTL-38999 Series II connectors are designed for rugged environments, offering up to 128 contacts housed in a secure insert. With a wide operating temperature range from -65°C to 200°C, these connectors are suitable for extreme conditions. Available in various configurations like front and rear wall mount, jam nut, and box mount receptacles, they ensure versatile connectivity options. The connectors feature aluminum shells with plating choices including cadmium-free finishes, ensuring durability and compliance with RoHS regulations. Utilizing M39029 rear release crimp contacts, they guarantee reliable performance, making them ideal for military and aerospace applications where robust, environmentally sealed connectors are essential.