MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in demanding conditions. Available in various mounting options such as front wall, rear wall, jam nut, and box mount receptacles, they cater to diverse installation needs. The connectors come in aluminum shells with plating options including electroless nickel and cadmium finishes, ensuring durability and compatibility with RoHS regulations. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. Perfect for military and industrial applications, these connectors provide rugged reliability with their conductive socket contact style and ingress protection.