MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts within an insert. These connectors are environmentally sealed, with an operating temperature range from -65 °C to 200 °C. Available in various configurations including front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. Constructed with aluminum shells and offering multiple plating options, including RoHS certified finishes, they ensure reliable performance. With M39029 rear release crimp contacts in several sizes, these connectors provide secure connections. Suitable for military and industrial use, they meet stringent standards for durability and performance.