The MIL-DTL-38999 Series II connectors boast exceptional durability and performance, ideal for harsh environments. With up to 128 contacts sealed for environmental protection, these connectors ensure reliable connectivity in extreme conditions. Operating seamlessly between -65°C and 200°C, they offer versatility in various applications. Featuring a range of mounting options, including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. Available in 9 shell sizes and 52 insert arrangements, they accommodate different contact sizes, with rear release crimp contacts ensuring secure connections. Crafted from aluminum with various plating options, such as cadmium and nickel, they guarantee longevity and corrosion resistance. Suitable for military and industrial use, these connectors meet stringent quality standards, making them a dependable choice for critical operations.