The MIL-DTL-38999 Series I connectors boast exceptional durability and performance in harsh environments, featuring up to 128 contacts sealed for environmental protection. With an operating temperature range from -65°C to 200°C, these connectors are designed for reliability in extreme conditions. Offering a variety of mounting options including front wall, rear wall, and jam nut receptacles, they accommodate diverse connectivity needs. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and efficient connections. Constructed with high-strength aluminum shells and available in various plating options, including cadmium-free finishes, they meet stringent military specifications. Suitable for applications requiring rugged and dependable electrical connectivity, the MIL-DTL-38999 Series I connectors are a trusted choice for demanding environments.