MIL-DTL-38999 Series I connectors are designed for rugged environments, boasting up to 128 contacts in a secure insert. With an impressive operating range from -65°C to 200°C, these connectors offer reliable performance in extreme conditions. Featuring various mounting options such as front and rear wall mount, as well as jam nut receptacles, they provide versatility for different applications. The connectors utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, catering to diverse connectivity needs. Crafted with durable high-strength aluminum shells and available in multiple plating options including cadmium-free finishes, they prioritize both robustness and environmental compliance. Ideal for military and industrial use, these connectors ensure secure and efficient electrical connections, meeting stringent standards for performance and reliability.