The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With an operating temperature range from -65°C to 200°C, they ensure reliable performance in extreme conditions. Available in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in installation. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. Constructed with aluminum shells and offering plating options like electroless nickel and cadmium finishes, they meet stringent military specifications. RoHS compliant versions are also available, making them suitable for a wide range of applications requiring rugged and reliable connectivity.