MIL-DTL-38999 Series I connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65°C to 200°C, these connectors ensure reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts for secure connections. The connectors, made of high-strength aluminum, come with a choice of plating options, including cadmium-free finishes for RoHS compliance. Whether for front wall mount, rear wall mount, or jam nut receptacles, the MIL-DTL-38999 I connectors guarantee durability and conductivity, meeting stringent military specifications for mission-critical applications.