The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range from -65 °C to 200 °C, these connectors are environmentally sealed for reliable performance. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Made with high-strength aluminum shells and offered in different plating options, including cadmium-free finishes, these connectors ensure durability and conductivity. Suitable for military and industrial applications, they meet stringent standards for performance and reliability.