The MIL-DTL-38999 Series I connectors boast rugged reliability with up to 128 contacts housed in a sealed insert, designed for harsh environments. Operating seamlessly between -65°C and 200°C, they offer versatility with front and rear wall mount options, as well as jam nut receptacles for secure connections. Featuring M39029 rear release crimp contacts in various sizes, they ensure efficient signal transmission. Crafted with high-strength aluminum shells and available in multiple plating options, including RoHS certified finishes, they guarantee durability and performance in demanding applications. With a bayonet coupling design and gold contact plating, these connectors deliver superior conductivity and longevity, making them ideal for military and industrial use.