MIL-DTL-38999 Series II connectors are designed for harsh environments with up to 128 contacts per insert. These environmentally sealed connectors operate reliably in temperatures ranging from -65 °C to 200 °C. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. Featuring thin walls and restricted lengths, these connectors ensure efficient space utilization. With options for straight, RFI grounding, and standard plugs, they cater to diverse connectivity needs. Constructed with aluminum shells and offering multiple plating choices such as electroless nickel and cadmium-free finishes, these connectors prioritize durability and compliance. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connections. Fully meeting MIL-DTL-38999 II standards, these connectors are ideal for military and industrial applications requiring high-performance electrical connectivity in demanding conditions.