MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts within an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various configurations such as front wall mount, rear wall mount, jam nut, and more, they offer versatility in installation. The connectors utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, ensuring reliable connections. Constructed with aluminum shells and offering multiple plating options including cadmium-free finishes, they prioritize durability and environmental compliance. Suitable for military and industrial use, these connectors provide high-performance connectivity in challenging settings.