MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert and offering reliable performance in temperatures ranging from -65 °C to 200 °C. These environmentally sealed connectors come in various configurations, including front and rear wall mount, jam nut, and box mount receptacles. With options for straight, RFI grounding, and standard plugs, they accommodate diverse connectivity needs. Made of aluminum and available in different plating finishes, such as gold and electroless nickel, these connectors ensure durability and conductivity. Compliant with military specification MIL-DTL-38999 II, they are ideal for applications requiring rugged and secure electrical connections.