MIL-DTL-38999 Series II connectors are designed for robust performance in harsh environments, featuring up to 128 contacts within a sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliable connectivity in extreme conditions. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. The connectors come in aluminum shells with options for plating finishes such as cadmium-free and electroless nickel, ensuring durability and compliance with RoHS regulations. Their compatibility with M39029 rear release crimp contacts in multiple sizes guarantees secure connections. Perfect for military and industrial use, these connectors, classified under MIL-DTL-38999 II, are essential components for mission-critical systems.