MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65°C to 200°C, these connectors offer reliable performance in extreme conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse connectivity needs. The plugs, offered in straight, RFI grounding, and standard configurations with 90-degree cable clamps, ensure secure connections. Compliant with military specification MIL-DTL-38999 II, these circular connectors boast superior durability and functionality. Made of aluminum with plating options such as electroless nickel and cadmium-free finishes, they prioritize both performance and environmental responsibility. Suitable for applications requiring high reliability, these connectors guarantee longevity with a mating life of 500 cycles.