The MIL-DTL-38999 Series II connectors offer robust performance in harsh environments, featuring up to 128 contacts in an insert. These environmentally sealed connectors can operate in temperatures ranging from -65 °C to 200 °C, making them ideal for a wide range of applications. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. With options for straight, RFI grounding, and standard plugs, as well as multiple shell sizes and insert arrangements, these connectors offer flexibility in design. Constructed with aluminum shells and offering plating options such as gold and electroless nickel, they ensure reliable conductivity and durability. Compliant with military specification MIL-DTL-38999 II, these connectors are suitable for demanding military and aerospace applications.