The MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts sealed within an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for diverse applications. Available in various shell sizes and insert arrangements, they offer flexibility in design. The connectors, made of high-strength aluminum, come in different plating options including cadmium-free finishes, meeting RoHS compliance. Featuring front wall mount, rear wall mount, and jam nut receptacles, they ensure secure connections. These connectors, with M39029 rear release crimp contacts, provide reliable performance in demanding conditions. Perfect for military, aerospace, and industrial use, the MIL-DTL-38999 Series I connectors guarantee durability and efficiency.