MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert for versatile connectivity. With front wall mount, rear wall mount, and jam nut receptacles, they offer secure installations. These connectors are environmentally sealed, ensuring reliable performance in extreme conditions with an operating temperature range from -65 °C to 200 °C. Utilizing M39029 rear release crimp contacts, they come in various sizes, including coax and twinax options. Available in 9 shell sizes and 52 insert arrangements, they offer flexibility for different applications. Made with high-strength aluminum shells and offering various plating options, including RoHS-certified cadmium-free finishes, these connectors prioritize durability and compliance. Perfect for military and industrial use, they meet MIL-DTL-38999 I specifications, guaranteeing quality and performance.