MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts and environmental sealing for reliable performance. With an operating temperature range of -65 °C to 200 °C, these connectors are built to withstand extreme conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. The connectors come in aluminum shells with a choice of plating options including cadmium-free finishes, ensuring compliance with RoHS regulations. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. Perfect for military and industrial applications, these connectors are known for their durability and conductivity, making them ideal for challenging environments.