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 of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. They are compatible with M39029 rear release crimp contacts and come in wall mount configurations, suitable for a wide range of applications. Trusted for military use, these connectors ensure secure and durable electrical connections, with gold-plated contacts for optimal conductivity.