The MIL-DTL-38999 Series I connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors are designed for durability. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for reliable connections. Crafted from high-strength aluminum, the connectors come with multiple plating options, including cadmium-free finishes for RoHS compliance. Ideal for military and industrial applications, they ensure secure mating with bayonet coupling and offer superior conductivity with gold-plated contacts. Whether in straight plug, wall mount, or jam nut receptacle configurations, these connectors guarantee reliable performance in demanding environments.