The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert and offering reliable performance in extreme temperatures ranging from -65 °C to 200 °C. These environmentally sealed connectors come in various configurations, including front and rear wall mounts, jam nuts, and box mounts, catering to diverse application needs. With options for straight, RFI grounding, and 90-degree cable clamp plugs, they ensure secure and efficient connections. Utilizing M39029 rear release crimp contacts, these connectors guarantee high-quality signal transmission. Constructed with aluminum shells and available in different plating options, such as electroless nickel and cadmium-free finishes, they meet stringent military specifications for durability and performance in demanding environments. Perfect for industrial and military applications, the MIL-DTL-38999 Series II connectors provide a rugged and reliable solution for critical connectivity requirements.