MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts within an insert for secure connectivity. With a wide operating temperature range from -65 °C to 200 °C, they ensure reliable performance in extreme conditions. Available in various configurations such as front wall mount, rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in installation. The aluminum shells come with different plating options, including cadmium-free finishes, meeting RoHS compliance. Utilizing M39029 crimp contacts, they provide efficient signal transmission. Ideal for military and industrial applications, these connectors guarantee durability and resistance to environmental factors, making them essential components for critical systems.