MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. These connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various mounting options such as front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles, they offer flexibility in installation. With straight, RFI grounding, and standard plugs available, along with a 90-degree cable clamp option, they cater to diverse connectivity needs. Utilizing M39029 rear release crimp contacts in different sizes, these connectors ensure reliable performance. Crafted from aluminum, they come with plating options including light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, with RoHS certified cadmium-free finishes also offered. Suitable for military and industrial applications, these connectors are ideal for demanding environments requiring secure and durable electrical connections.