MIL-DTL-38999 Series I connectors feature up to 128 contacts in a sealed insert, designed for harsh environments with an operating range of -65 °C to 200 °C. This connector family includes front and rear wall mount receptacles, jam nut receptacles, and RFI grounding plugs, offering versatility in installation. With 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts in various sizes, ensuring compatibility with different applications. Constructed with high-strength aluminum shells and available in multiple plating options, including cadmium-free finishes, these connectors provide durability and reliability. The bayonet coupling design and gold contact plating ensure secure connections even in demanding conditions, making them suitable for military and industrial use.
