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 offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts for secure connections. Constructed with high strength aluminum shells and offering multiple plating options, including RoHS certified finishes, these connectors ensure durability and versatility. Suitable for military and industrial applications, they provide reliable connectivity in demanding environments.