MIL-DTL-38999 Series I connectors offer exceptional versatility with up to 128 contacts, ideal for demanding environments. These connectors feature front wall mount, rear wall mount, and jam nut receptacles, providing secure connections in various applications. Built to withstand extreme conditions, they have an operating temperature range from -65 °C to 200 °C. With 9 shell sizes and 52 insert arrangements available, the connectors accommodate diverse connectivity needs. Utilizing M39029 rear release crimp contacts in different sizes, including coax and twinax options, they ensure reliable signal transmission. Constructed with high-strength aluminum shells and offered in various plating options such as cadmium and nickel, they guarantee durability and performance. Meeting MIL-DTL-38999 I military specifications, these connectors are designed for critical missions, delivering robustness and quality.