MIL-DTL-38999 Series II connectors boast exceptional durability and functionality, ideal for harsh environments. With up to 128 contacts in a secure insert, they ensure reliable connectivity. These connectors are environmentally sealed, operating seamlessly in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. The connectors come in 9 shell sizes and 52 insert arrangements, accommodating diverse needs. Utilizing M39029 rear release crimp contacts, they guarantee efficient signal transmission. Crafted from sturdy aluminum, they are available in different plating options, including cadmium-free finishes for RoHS compliance. With gold contact plating, they ensure optimal conductivity, while the electroless nickel coating enhances longevity. These MIL-DTL-38999 II connectors, with their robust construction and military-grade specifications, are a reliable choice for demanding environments.