The MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments with up to 128 contacts housed in an environmentally sealed insert. Designed for durability, they feature a wide operating temperature range from -65°C to 200°C. Available in various configurations including front and rear wall mount as well as jam nut receptacles, these connectors are a versatile choice for military and aerospace applications. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8. Crafted from high-strength aluminum with plating options such as gold, electroless nickel, and anodized aluminum, they offer superior corrosion resistance. With RoHS compliant finishes available, these connectors meet stringent environmental standards, making them ideal for a range of industries.