MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. These connectors are environmentally sealed, with an operating temperature range of -65 °C to 200 °C. Available in various mounting styles such as front wall mount, rear wall mount, jam nut, rear box mount, and front 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 provide flexibility for different applications. Constructed with aluminum shells and offering various plating options, including RoHS certified finishes, they ensure reliable performance in demanding conditions. Suitable for military and industrial use, these connectors meet MIL-DTL-38999 II specifications for durability and performance.