MIL-DTL-38999 Series I connectors feature up to 128 contacts within a sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various configurations including front and rear wall mount, as well as jam nut receptacles, they ensure reliable connectivity in demanding conditions. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors offer versatility for diverse applications. Crafted from high-strength aluminum with options for plating such as cadmium and nickel, they provide durability and corrosion resistance. Compliant with military specification MIL-DTL-38999 I, these connectors are suitable for rugged military and aerospace environments.