MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts for high-density connectivity. With an operating temperature range from -65°C to 200°C, they offer reliable performance in extreme conditions. These connectors come in various configurations including front and rear wall mounts, jam nut, and box mounts, catering to diverse installation needs. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Available in aluminum shells with plating options like electroless nickel and cadmium finishes, they meet stringent military specifications for durability. RoHS compliant variants are also offered, making them ideal for a wide range of applications requiring robust and reliable electrical connections.