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 configurations including front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles, they offer flexibility for different installation needs. The plugs come in straight, RFI grounding, and standard options with a 90-degree cable clamp, suitable for diverse applications. Crafted from aluminum shells, they undergo plating with options like light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, ensuring durability in demanding conditions. Compliant with MIL-DTL-38999 II specifications, these connectors guarantee reliable performance in military and industrial settings.