The MIL-DTL-38999 Series II connectors offer reliable performance in harsh environments with up to 128 contacts housed in an environmentally sealed insert. Designed for durability, these connectors feature a wide operating temperature range from -65 °C to 200 °C. Available in various mounting options including front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles, they meet stringent military specifications for rugged applications. With a choice of shell sizes, insert arrangements, and contact types, these connectors ensure secure and efficient electrical connections. Made from aluminum with multiple plating options, they are resistant to corrosion and abrasion. RoHS compliant finishes are also available, making them suitable for a wide range of industries. Perfect for use in aerospace, defense, and industrial applications, these connectors provide reliable performance in demanding environments.