MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, ensuring robust connectivity in harsh environments. With an operating temperature range from -65°C to 200°C, these circular plugs are designed for reliability in extreme conditions. Available in various mounting configurations, including front and rear wall mount, jam nut, and box mount receptacles, they offer versatile installation options. The connectors are constructed with aluminum shells and come in multiple plating finishes, meeting RoHS certification for environmentally friendly use. Utilizing M39029 rear release crimp contacts, they guarantee secure connections, with gold plating for enhanced conductivity. Ideal for military and aerospace applications, these connectors provide superior performance and durability, making them essential components for mission-critical systems.