MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With environmental sealing and an operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in demanding conditions. Available in various shell sizes and insert arrangements, they come with M39029 rear release crimp contacts for secure connections. The connectors, made of high-strength aluminum, offer multiple plating options including electroless nickel and cadmium finishes. Ideal for military and industrial applications, they ensure durability and conductivity, meeting stringent standards for reliability.