MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, they offer reliability in extreme conditions. Available in various shell sizes and insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Constructed with high strength aluminum shells, they come with plating options like cadmium and nickel, meeting diverse application needs. RoHS certified finishes are also available. Suitable for military and industrial use, these connectors ensure optimal performance in demanding situations.