MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. These connectors are environmentally sealed and capable of operating in temperatures ranging from -65 °C to 200 °C. Available in various configurations including front wall mount, rear wall mount, jam nut, rear box mount, and front box mount receptacles, they offer versatility in installation. With options for straight, RFI grounding, and standard plugs with a 90-degree cable clamp, they cater to different connectivity needs. Utilizing M39029 rear release crimp contacts in various sizes, these connectors ensure secure and reliable connections. Constructed with aluminum shells and offering plating options like electroless nickel, they are durable and corrosion-resistant. Suitable for military applications, these connectors meet stringent standards for performance and reliability in demanding environments.