MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65 °C to 200 °C, they offer reliable performance in harsh conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, these connectors accommodate diverse installation needs. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, they ensure secure connections. Constructed with aluminum shells and plated with options like electroless nickel and cadmium finishes, they meet stringent military specifications. Suitable for applications requiring durability and high performance, these connectors are essential for aerospace, defense, and industrial systems.