MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert and environmentally sealed construction. With an operating temperature range from -65 °C to 200 °C, they offer durability in extreme conditions. These connectors come in various configurations, including wall mount and box mount receptacles, and are available in aluminum shells with multiple plating options. Utilizing M39029 rear release crimp contacts, they ensure reliable connectivity. Meeting military specification MIL-DTL-38999 II, these connectors are ideal for applications requiring rugged performance.