MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Available in various shell sizes and insert arrangements, they offer front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections. Constructed with high-strength aluminum shells, they come with plating options like cadmium and nickel. RoHS certified finishes are also available, making them ideal for military and industrial applications.