The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert for secure connectivity. These connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various mounting options, including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. With options for straight, RFI grounding, and standard plugs, as well as multiple shell sizes and insert arrangements, these connectors cater to diverse application needs. Constructed with aluminum shells and offering a range of plating options, including RoHS certified finishes, they ensure reliability and durability. Ideal for military and industrial use, the MIL-DTL-38999 Series II connectors provide high-performance electrical connections in demanding conditions.