MIL-DTL-38999 Series II connectors are rugged and reliable, designed for harsh environments with up to 128 contacts in an insert. These environmentally sealed connectors operate seamlessly in extreme temperatures ranging from -65 °C to 200 °C. Featuring various mounting options including front wall mount, rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. Available in aluminum shells with multiple plating options, such as gold and electroless nickel, these connectors ensure optimal performance and durability. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connections. Meeting MIL-DTL-38999 II military specifications, these connectors are suitable for demanding aerospace, defense, and industrial applications.