MIL-DTL-38999 Series I connectors offer rugged performance with up to 128 contacts housed in an insert, providing secure connectivity in harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs, these connectors meet military specification standards for reliability. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for efficient installation. With a wide range of plating options, including cadmium-free finishes, these connectors ensure corrosion resistance. Operating between -65 °C and 200 °C, they are suitable for a variety of applications requiring durability and high performance.