MIL-DTL-38999 Series II connectors offer robust performance with up to 128 contacts housed in an environmentally sealed insert. Designed for harsh environments, they can withstand temperatures ranging from -65 °C to 200 °C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatile installation. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for reliable connectivity. Crafted from durable aluminum, with plating options including cadmium and nickel, these connectors prioritize longevity and performance. Ideal for military and industrial applications, they meet stringent MIL-DTL-38999 II standards for quality and durability.