MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. These connectors are environmentally sealed with an operating temperature range of -65 °C to 200 °C. Available in various configurations including front wall mount, rear wall mount, and jam nut receptacles, they offer versatility for different applications. Constructed with high strength aluminum shells and offering multiple plating options such as electroless nickel and cadmium finishes, they ensure durability and reliability. Utilizing M39029 rear release crimp contacts in various sizes, these connectors provide secure connections. With RoHS certified cadmium-free options, they meet environmental standards. Suitable for military and industrial use, MIL-DTL-38999 Series I connectors guarantee high performance in demanding conditions.