MIL-DTL-38999 Series II connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts and a wide operating temperature range from -65 °C to 200 °C. These environmentally sealed connectors come in various configurations, including front and rear wall mounts, jam nut, and box mounts. With options for straight, RFI grounding, and 90-degree cable clamp plugs, they cater to diverse installation needs. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections, with shell sizes ranging from 9 to 52 insert arrangements. Constructed with aluminum shells and available in different plating options, such as electroless nickel and cadmium finishes, they offer durability and performance. Meeting MIL-DTL-38999 II specifications, these connectors are ideal for military and industrial applications requiring rugged and reliable electrical connections.