MIL-DTL-38999 Series II connectors are designed for harsh environments, with up to 128 contacts in a sealed insert. Operating at temperatures ranging from -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various mounting styles, including front and rear wall mount, jam nut, and box mount receptacles, these connectors feature thin walls and restricted lengths. The aluminum shells come in multiple plating options, such as cadmium and nickel finishes, ensuring durability and corrosion resistance. With M39029 rear release crimp contacts, they provide secure connections in military and industrial applications. RoHS compliant finishes are also available, meeting environmental standards. Suitable for demanding environments, these connectors are ideal for applications requiring rugged and reliable electrical connections.