MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in a sealed insert with an operating range of -65 °C to 200 °C. These connectors come in various configurations for front and rear wall mounting, jam nut installation, and more. With options for straight, RFI grounding, and 90-degree cable clamp plugs, they offer versatility in connectivity. Utilizing M39029 rear release crimp contacts, they ensure reliable performance. Available in aluminum shells with plating options like cadmium and nickel, they meet stringent military specifications for durability. Suitable for applications requiring high reliability in harsh conditions, these connectors are essential for aerospace, defense, and industrial systems.