The MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in an insert for high-density applications. With a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. The connectors come in aluminum shells with options for plating, including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Perfect for military and industrial use, these connectors are built to withstand harsh environments with their environmental sealing.