The MIL-DTL-38999 Series II connectors are a rugged solution for demanding environments, offering up to 128 contacts within an insert. Designed for harsh conditions, they are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various mounting options, including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. Featuring durable aluminum shells with a choice of plating options, such as gold and electroless nickel, these connectors ensure reliable performance. With RoHS compliant finishes, they meet environmental standards, making them ideal for military and industrial use.