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. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, these connectors ensure secure and reliable connections. Constructed with high-strength aluminum shells and offered in a range of plating options, including RoHS-certified cadmium-free finishes, they meet stringent military specifications. Suitable for use in demanding environments, MIL-DTL-38999 Series I connectors provide durability and performance in critical applications.