MIL-DTL-38999 Series II connectors are designed for rugged environments, offering up to 128 contacts and a wide operating temperature range from -65 °C to 200 °C. These connectors, featuring various mounting options like front and rear wall mount, jam nut, and box mount receptacles, are ideal for harsh conditions. With options for straight, RFI grounding, and standard plugs, they accommodate diverse connectivity needs. The connectors, made of aluminum with plating choices including cadmium and nickel, ensure durability and reliability. RoHS certified finishes are available, making them environmentally friendly. Perfect for military applications, these connectors provide secure and efficient electrical connections in demanding settings.