MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert that ensures reliable performance. With a wide operating temperature range from -65 °C to 200 °C, these connectors are suitable for diverse applications. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they offer flexibility in installation. The connectors come in aluminum shells with different plating options such as electroless nickel, ensuring durability and corrosion resistance. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. With RoHS certified cadmium-free finishes available, they meet environmental standards. Perfect for military and industrial use, these connectors provide conductive and environment-resistant solutions for demanding settings.