MIL-DTL-38999 Series I connectors, designed for harsh environments, feature up to 128 contacts with front wall mount, rear wall mount, and jam nut receptacles for secure installations. Offering a wide range of insert arrangements and contact sizes, they ensure reliable connectivity in demanding applications. These connectors are constructed with high strength aluminum shells and are available in various plating options, including RoHS certified finishes. With operating temperatures ranging from -65 °C to 200 °C, they are ideal for military and aerospace industries where durability and performance are crucial.