MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts housed in a sealed insert. With an operating temperature range of -65°C to 200°C, these connectors offer reliable performance in extreme conditions. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, as well as straight and 90-degree cable clamp plugs, they provide versatility for different applications. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and efficient connections. Constructed with aluminum shells and offered in plating options such as cadmium and nickel, they meet stringent military specifications for durability and performance. The RoHS compliant versions with cadmium-free finishes are also available, making them environmentally friendly choices for critical applications.