MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. These connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various configurations including front wall mount, rear wall mount, jam nut, and more, they offer versatility in installation. With options for straight, RFI grounding, and standard plugs, as well as multiple shell sizes and insert arrangements, they provide flexibility for different applications. Constructed with aluminum shells and offering plating choices such as gold, electroless nickel, and more, these connectors ensure reliable performance. Compliant with MIL-DTL-38999 II military specifications, they are suitable for demanding military and aerospace applications.