MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an insert. These connectors are environmentally sealed and can operate in 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, they provide versatility for different applications. Available in aluminum shells with multiple plating options including cadmium-free finishes, these connectors ensure reliable performance. With M39029 rear release crimp contacts in various sizes, they offer flexibility in connectivity. Ideal for military and industrial use, these connectors are durable and meet stringent quality standards.