The 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. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure secure connectivity. With options for straight, RFI grounding, and standard plugs, they accommodate different cable clamp angles. Utilizing M39029 rear release crimp contacts, they guarantee efficient signal transmission. Constructed with aluminum shells and offering multiple plating options such as cadmium and electroless nickel, these connectors prioritize durability. Meeting military specifications, they are ideal for applications requiring rugged and environmentally sealed connectivity.