MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in a sealed insert. With a wide operating temperature range from -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. Suitable for military and industrial applications, they are MIL-DTL-38999 I compliant and ensure durable electrical connectivity in demanding settings.