MIL-DTL-38999 Series I connectors are rugged and reliable, designed for harsh environments with up to 128 contacts. Featuring front wall mount, rear wall mount, and jam nut receptacles, they offer secure connectivity. With an operating temperature range of -65°C to 200°C, these connectors are environmentally sealed for optimal performance. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for efficient installation. The high-strength aluminum shells come with a choice of plating options, including cadmium-free finishes for RoHS compliance. Perfect for military, aerospace, and industrial applications, these connectors ensure durable and high-quality electrical connections.