The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With operating temperatures ranging from -65 °C to 200 °C, they offer reliability in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, these connectors provide versatility in applications. Utilizing M39029 rear release crimp contacts, they ensure secure connectivity. Constructed with aluminum shells and offering multiple plating options including gold and electroless nickel, they meet stringent military specifications. With RoHS compliant finishes available, these connectors are suitable for a range of industries requiring durable and high-performance electrical connections.