The MIL-DTL-38999 Series II connectors feature up to 128 contacts, offering reliable connectivity in harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, they ensure versatile installation options. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors provide flexibility for different applications. Constructed with aluminum shells and offering plating options such as electroless nickel and cadmium finishes, they are designed for durability. RoHS compliant versions are also available, catering to environmental regulations. Suitable for military and industrial use, these connectors guarantee secure and efficient electrical connections.