MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert for robust connectivity. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for extreme conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The connectors come in aluminum shells with multiple plating options such as cadmium and nickel, ensuring durability and reliability. With RoHS compliant finishes, they meet environmental standards. Perfect for military and industrial applications, these connectors are known for their high performance and longevity in demanding settings.