MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65°C to 200°C, they offer reliable performance in extreme conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatility in installation. The aluminum shells come with different plating options such as gold, electroless nickel, and cadmium-free finishes, meeting diverse application needs. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connections. Suitable for military and industrial use, these connectors are built to withstand rigorous demands with their environment-resistant construction.