MIL-DTL-38999 Series I connectors are rugged and high-performance, designed for harsh environments. With up to 128 contacts in an insert, these connectors provide reliable connectivity in challenging conditions. Featuring front wall mount, rear wall mount, and jam nut receptacles, they offer versatility in installation. Utilizing M39029 rear release crimp contacts in various sizes, including coax and twinax, they ensure secure connections. Made with high-strength aluminum shells and available in different plating options such as gold, electroless nickel, and anodized aluminum, they meet diverse application needs. With an operating temperature range from -65 °C to 200 °C, they are suitable for extreme environments. These MIL-DTL-38999 I connectors are essential for military, aerospace, and industrial applications requiring rugged and reliable connectivity.