MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65°C to 200°C, these connectors offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The high strength aluminum shells come in different plating options, including cadmium-free finishes. Offering front wall mount, rear wall mount, and jam nut receptacles with RFI grounding plugs, these connectors meet stringent military specifications for durability and reliability. Perfect for applications requiring high performance in harsh environments, the MIL-DTL-38999 Series I connectors are essential components in aerospace, defense, and industrial systems.