MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various styles including front wall mount, rear wall mount, and jam nut receptacles, these connectors offer versatility for different applications. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, they ensure reliable connectivity. Constructed with high-strength aluminum shells and offered in multiple plating options like light iridescent yellow cadmium and electroless nickel, these connectors meet stringent quality standards. With RoHS certified cadmium-free finishes available, they cater to environmental regulations. Perfect for military and industrial use, the MIL-DTL-38999 Series I connectors provide durable and efficient electrical connections in demanding conditions.