MIL-DTL-38999 Series I connectors boast a robust design, featuring up to 128 contacts within a secure insert. Engineered for harsh environments, these connectors offer reliable performance in extreme conditions, with an impressive operating temperature range of -65 °C to 200 °C. Available in various mounting options including front wall, rear wall, and jam nut receptacles, they ensure versatile installation. Utilizing M39029 rear release crimp contacts, these connectors come in 9 shell sizes and 52 insert arrangements, catering to diverse connectivity needs. Crafted from high-strength aluminum, they guarantee durability, while the range of plating options, including cadmium-free finishes, ensures compliance with RoHS standards. With gold-plated contacts and bayonet coupling, these connectors deliver superior conductivity and secure mating, making them ideal for military and industrial applications that demand rugged performance.