The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in a sealed insert. With an 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 more, they cater to diverse installation needs. The aluminum shells come with plating options like gold, electroless nickel, and cadmium finishes, ensuring durability and corrosion resistance. Utilizing M39029 rear release crimp contacts, they guarantee secure connections in applications requiring high reliability. Suitable for military and aerospace use, these connectors meet stringent MIL-DTL-38999 II specifications, making them ideal for demanding environments.