MIL-DTL-38999 Series II connectors boast high contact density, with up to 128 contacts in an insert, and are designed for harsh environments with an operating temperature range of -65 °C to 200 °C. These connectors come in various configurations including front and rear wall mount, jam nut, and box mount receptacles, offering versatility for different applications. Featuring aluminum shells with plating options such as cadmium and nickel, they ensure durability and reliability. The connectors use M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, providing secure connections. With RoHS compliant finishes available, they meet environmental standards while offering military-grade performance. Ideal for demanding industrial and military applications, the MIL-DTL-38999 Series II connectors provide exceptional connectivity in challenging conditions.