MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, offering reliable connectivity in harsh environments. With an operating temperature range from -65°C to 200°C, these environmentally sealed connectors are designed for durability. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse application needs. The plugs, offered in straight, RFI grounding, and standard configurations with a 90-degree cable clamp, ensure secure connections. Compliant with military specification MIL-DTL-38999 II, these connectors come in 9 shell sizes and 52 insert arrangements, accommodating different contact sizes. Constructed with aluminum shells and featuring plating options such as electroless nickel and cadmium finishes, they offer enhanced protection. With RoHS-certified cadmium-free options available, these connectors prioritize environmental compliance. Suited for military and aerospace applications, they guarantee high performance and reliability, with female contact gender, socket contact style, and 500 mating cycles.