MIL-DTL-38999 Series I connectors are designed for rugged environments with up to 128 contacts sealed within the insert. Operating in temperatures ranging from -65 °C to 200 °C, these connectors offer reliable performance. Available in various shell sizes and insert arrangements, they feature front and rear wall mount, as well as jam nut receptacles with RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Constructed with high-strength aluminum shells and offering plating options like electroless nickel, these connectors are ideal for military and industrial applications requiring durability and conductivity. With RoHS-certified finishes available, they meet environmental standards while providing reliable connectivity for demanding situations.