MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65°C to 200°C, they offer durability in extreme conditions. Available in various shell sizes and insert arrangements, these connectors utilize M39029 rear release crimp contacts for reliable connections. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-compliant finishes, they ensure long-lasting performance. Ideal for military and industrial applications, these connectors provide secure and efficient electrical connectivity in demanding environments.