MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With front wall mount, rear wall mount, and jam nut receptacles, they provide versatile connectivity options. These connectors, compliant with military specification MIL-DTL-38999 I, offer reliable performance in extreme conditions, with an operating temperature range from -65 °C to 200 °C. Utilizing M39029 rear release crimp contacts in various sizes, they ensure secure and efficient connections. Available in 9 shell sizes and 52 insert arrangements, these connectors are highly customizable. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-certified finishes, they guarantee durability and compatibility. Ideal for applications requiring rugged and dependable electrical connections, MIL-DTL-38999 Series I connectors are essential components in demanding environments.