MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert with environmental sealing. Operating reliably in temperatures ranging from -65 °C to 200 °C, these connectors come in various versions including front and rear wall mount, as well as jam nut receptacles. Compliant with military specification MIL-DTL-38999 I, they offer durability with high-strength aluminum shells and a choice of plating options such as cadmium and nickel. Utilizing M39029 rear release crimp contacts, they ensure secure connections in demanding applications. With RoHS certified finishes available, these connectors are suitable for a wide range of military and industrial uses.