MIL-DTL-38999 Series II connectors, designed for harsh environments, feature up to 128 contacts in an insert and are environmentally sealed for reliable performance. With an operating temperature range of -65 °C to 200 °C, these connectors offer versatility in various conditions. Available in multiple configurations including front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles, they cater to diverse installation needs. The plugs, offered in straight, RFI grounding, and standard options with a 90-degree cable clamp, ensure secure connections. Compliant with military specification MIL-DTL-38999 II, these connectors guarantee high standards of quality and performance. Made from aluminum, they come with various plating options such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum. Featuring RoHS certified cadmium-free finishes, these connectors prioritize environmental responsibility. With 52 insert arrangements and M39029 rear release crimp contacts, they offer flexibility in contact size and arrangement. Suitable for demanding applications, these connectors are essential components in ensuring seamless electrical connectivity in critical systems.