MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts housed in a durable insert. Designed for harsh environments, these connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various configurations such as front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles, they cater to diverse installation needs. Featuring straight, RFI grounding, and standard plugs with a 90-degree cable clamp, these connectors come in 9 shell sizes and 52 insert arrangements, utilizing M39029 rear release crimp contacts. Crafted from aluminum with options for plating including light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, they ensure reliable performance. Ideal for military and industrial applications, these connectors are essential for secure and efficient electrical connections in demanding settings.