The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts housed in an insert. With a wide operating temperature range from -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with options for different plating finishes, including RoHS compliant versions. Their rugged construction, front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs, make them suitable for military and aerospace applications. Utilizing M39029 rear release crimp contacts, they ensure secure and efficient connectivity. Ideal for demanding environments, the MIL-DTL-38999 I connectors provide durability, conductivity, and environmental resistance.