MIL-DTL-38999 Series I 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 are suitable for a wide range of applications. Available in various configurations including front wall mount, rear wall mount, and jam nut receptacles, they offer flexibility in installation. The connectors utilize M39029 rear release crimp contacts, ensuring reliable connections. Constructed with high strength aluminum shells and offered in multiple plating options such as cadmium and nickel, they meet stringent military specifications for durability and performance. Suitable for both military and commercial use, these connectors provide secure and efficient connectivity in demanding conditions.