The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert and offering front wall mount, rear wall mount, and jam nut receptacles. Operating between -65 °C and 200 °C, these connectors provide reliable performance in extreme conditions. Made with high strength aluminum shells and available in various plating options including cadmium-free finishes, they ensure durability and versatility. With M39029 rear release crimp contacts in different sizes, they offer flexibility in connectivity. Suitable for military and industrial applications, these connectors are ideal for environments requiring rugged and reliable electrical connections.