The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert with environmental sealing. Operating at temperatures ranging from -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. With options for straight, RFI grounding, and standard plugs, along with a 90-degree cable clamp, versatility is ensured. Utilizing M39029 rear release crimp contacts in multiple sizes, they guarantee secure connections. Constructed with aluminum shells and offering plating choices including cadmium-free finishes, these connectors prioritize durability and environmental compliance. Perfect for military and industrial applications, they meet MIL-DTL-38999 II specifications, delivering high-performance connectivity.