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, they offer reliable performance in extreme conditions. These connectors come in various configurations, including front and rear wall mounts, jam nuts, and box mounts, providing flexibility for different applications. Constructed with aluminum shells and offering multiple plating options, such as cadmium and nickel, they ensure durability and corrosion resistance. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure and efficient connections. Suitable for military and industrial use, they meet stringent quality standards for environmental sealing and performance.