MIL-DTL-38999 Series II connectors are designed for demanding environments, with up to 128 contacts housed in a secure insert. These connectors are fully sealed for environmental protection and can operate in temperatures ranging from -65 °C to 200 °C. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in installation. Featuring a range of plating options including cadmium-free finishes, these connectors ensure reliable conductivity. With M39029 rear release crimp contacts and aluminum shells, they guarantee durability and performance. The connectors are RoHS compliant, meeting environmental standards.