MIL-DTL-38999 Series II connectors are engineered for rugged environments, boasting up to 128 contacts within a sealed insert. With an impressive operating range from -65 °C to 200 °C, these connectors ensure reliability in extreme conditions. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for diverse applications. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Crafted from durable aluminum, these connectors come with a range of plating options, including cadmium-free finishes for environmental compliance. Overall, the MIL-DTL-38999 Series II connectors deliver high performance and longevity, making them ideal for military and industrial use.