MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The connectors come in high-strength aluminum shells with plating options including cadmium and electroless nickel. RoHS-certified finishes are also available. Perfect for military and industrial applications, these connectors ensure durability and conductivity with their bayonet coupling design and gold-plated contacts.