The MIL-DTL-38999 Series I connectors offer high performance in harsh environments, featuring up to 128 contacts housed within a durable insert for reliable connectivity. With an extensive range of shell sizes and insert arrangements, they accommodate various applications with ease. These connectors, with their front and rear wall mount options, as well as jam nut receptacles, ensure versatile installation. Meeting stringent military specifications, they provide secure connections in demanding conditions, thanks to their environmental sealing and wide operating temperature range. Crafted from high-strength aluminum, they boast longevity and resilience. Various plating options, including cadmium-free finishes, cater to specific requirements. Perfect for military and aerospace applications, these connectors guarantee efficient performance and durability in challenging environments.