MIL-DTL-38999 Series II connectors are rugged and reliable, designed for harsh environments with up to 128 contacts in an insert. These environmentally sealed connectors operate effectively 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. Available in aluminum shells with a range of plating options, including cadmium-free finishes, they ensure durability and performance. With M39029 rear release crimp contacts in various sizes, these connectors provide secure and efficient connections. Suitable for military and industrial use, they meet stringent MIL-DTL-38999 II specifications for quality and reliability.