MIL-DTL-38999 Series II connectors are ruggedized for harsh environments, featuring up to 128 contacts in an insert. With an operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. These connectors come in various configurations, including front and rear wall mounts, jam nut, and box mounts, catering to diverse installation needs. Compliant with military specification MIL-DTL-38999 II, they ensure high durability and performance standards. The connectors are made of aluminum with options for plating, such as electroless nickel and cadmium finishes. Designed for easy assembly, they use M39029 rear release crimp contacts in different sizes. RoHS-certified options are available for environmentally conscious applications. Suitable for a wide range of industries, these connectors provide secure and efficient electrical connections in demanding environments.