MIL-DTL-38999 Series II connectors are designed for harsh environments, with up to 128 contacts in an insert. They offer reliable performance in extreme temperatures, ranging from -65 °C to 200 °C. Featuring various mounting options such as front wall, rear wall, jam nut, and box mount receptacles, these connectors ensure versatility in installation. With options for straight, RFI grounding, and standard plugs, they cater to diverse connectivity needs. Compliant with military specifications, these connectors guarantee high-quality construction and durability. The aluminum shells come in multiple plating choices, including cadmium-free finishes for environmental compliance. Suitable for demanding applications, these connectors are ideal for aerospace, defense, and industrial sectors.