MIL-DTL-38999 Series II connectors are designed for rugged applications, offering exceptional performance in harsh environments. With up to 128 contacts in an insert, these connectors are ideal for demanding military and aerospace systems. Featuring front wall mount, rear wall mount, jam nut, and box mount receptacles, they ensure secure and reliable connections. Available in various shell sizes and insert arrangements, they accommodate different contact types, including removable crimp contacts. The connectors are constructed with aluminum shells and come with plating options such as electroless nickel and iridescent yellow cadmium for enhanced durability. Operating in temperatures ranging from -65°C to 200°C, they provide reliable performance in extreme conditions. With RoHS compliant finishes available, they meet environmental standards while offering high conductivity and ingress protection. Trusted for their quality and reliability, MIL-DTL-38999 Series II connectors are essential for mission-critical applications.