The MIL-DTL-38999 Series II connectors boast exceptional durability and reliability, featuring up to 128 contacts housed in a secure insert. Designed for harsh environments, these connectors are fully sealed and can operate flawlessly in temperatures ranging from -65 °C to 200 °C. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. With 52 insert arrangements and M39029 rear release crimp contacts, customization is effortless. Constructed with aluminum shells and a choice of plating options including gold, they ensure optimal conductivity and longevity. Meeting military specification MIL-DTL-38999 II, these connectors are ideal for demanding industrial and aerospace environments.