The MIL-DTL-38999 Series II connectors are designed for harsh environments, offering reliable performance with up to 128 contacts. These environmentally sealed connectors feature a wide operating temperature range from -65 °C to 200 °C, making them suitable for a variety of applications. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they ensure flexibility in installation. With 52 insert arrangements and M39029 rear release crimp contacts, customization is easy. Constructed with aluminum shells and offering multiple plating options, including RoHS certified finishes, these connectors prioritize durability and compliance. Perfect for military and industrial use, they guarantee secure and efficient electrical connections in demanding conditions.