MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts sealed for protection against harsh conditions. With an operating temperature range from -65 °C to 200 °C, they offer reliable performance in extreme scenarios. Available in various shell sizes and insert arrangements, these connectors come with M39029 rear release crimp contacts in different sizes. The high-strength aluminum shells can be plated with options like cadmium or electroless nickel, meeting diverse application needs. Offering secure wall mount options with bayonet coupling, they ensure efficient connectivity in military and industrial settings.