MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating range of -65°C to 200°C. Available in front wall mount, rear wall mount, and jam nut receptacles, this connector family offers versatility for various applications. With 9 shell sizes and 52 insert arrangements, it utilizes M39029 rear release crimp contacts for reliable connectivity. The high strength aluminum shells come in multiple plating options, including cadmium-free finishes, ensuring durability and performance. These connectors, meeting MIL-DTL-38999 I specifications, are ideal for demanding military and industrial settings.