MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With an operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors provide versatility in installation. The plugs come in straight, RFI grounding, and standard options with a 90-degree cable clamp, catering to different connectivity needs. Made of aluminum with plating choices like electroless nickel and cadmium-free finishes, they ensure durability and compliance with RoHS standards. These connectors, classified under military specification MIL-DTL-38999 II, guarantee secure and efficient electrical connections in demanding applications.