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. Offering front wall mount, rear wall mount, and jam nut receptacles, they ensure secure connections in various applications. With 9 shell sizes and 52 insert arrangements available, these connectors use M39029 rear release crimp contacts for reliable performance. Constructed with high-strength aluminum shells and offered in different plating options including electroless nickel and cadmium finishes, they provide durability and corrosion resistance. RoHS compliant options are also available, meeting environmental standards. Ideal for military and industrial use, these MIL-DTL-38999 I connectors are essential for rugged and demanding environments.