The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65°C to 200°C, these connectors offer reliable performance in extreme conditions. Available in various mounting options such as front wall mount, rear wall mount, and jam nut receptacles, they meet stringent military specifications. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections. Constructed with high-strength aluminum shells and offering a choice of plating options including cadmium-free finishes, they provide durability and longevity. Perfect for applications requiring rugged and reliable connectivity, the MIL-DTL-38999 Series I connectors are ideal for military, aerospace, and industrial use.