The 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 of -65 °C to 200 °C, these connectors are reliable in extreme conditions. Available in various shell sizes and insert arrangements, they offer versatility for different applications. Made of high-strength aluminum with plating options including cadmium and nickel, they ensure durability and conductivity. The connectors, compliant with MIL-DTL-38999 I specifications, come in receptacle form with jam nut mounting and bayonet coupling. Utilizing gold-plated removable crimp contacts, they guarantee secure connections. Suitable for military and industrial use, these connectors are essential for maintaining reliable electrical connectivity in demanding settings.