MIL-DTL-38999 Series I connectors offer a robust solution for harsh environments, featuring up to 128 contacts housed in an insert. With an operating temperature range spanning from -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Crafted from high-strength aluminum with a choice of plating options, including RoHS-certified finishes, these connectors ensure reliable performance. The series includes front and rear wall mount receptacles, jam nut receptacles, and RFI grounding plugs, catering to diverse installation requirements. Trusted for their durability and versatility, MIL-DTL-38999 I connectors are essential for military, aerospace, and other rugged environments.