MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts sealed for protection. With a wide operating temperature range from -65°C to 200°C, they offer reliable performance in harsh conditions. Available in various shell sizes and insert arrangements, these connectors come in aluminum shells with options for different plating finishes, including RoHS-certified cadmium-free coatings. The connectors, compliant with military specification MIL-DTL-38999 I, are ideal for applications requiring durability, conductivity, and environmental resistance.