MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in a sealed insert. With a wide operating temperature range from -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, these connectors are versatile for different applications. The connectors come in aluminum shells with multiple plating options, ensuring durability and compatibility with RoHS regulations. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. Suitable for military and industrial use, these connectors meet stringent standards for performance and reliability.