The MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts sealed for environmental protection. With an operating temperature range from -65 °C to 200 °C, these connectors are designed for durability. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. Suitable for military applications, they meet stringent standards for performance and reliability, making them ideal for demanding environments.