MIL-DTL-38999 Series II connectors feature up to 128 contacts within an insert, designed for harsh environments with an operating temperature range from -65°C to 200°C. Available in various configurations, including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in connectivity. These connectors, compliant with military specification MIL-DTL-38999 II, are crafted with aluminum shells and come with a selection of plating options such as electroless nickel and cadmium finishes, including RoHS-certified cadmium-free variants. With 52 insert arrangements and utilizing M39029 rear release crimp contacts, they ensure reliable performance in demanding applications.