MIL-DTL-38999 Series I connectors feature a rugged design with up to 128 contacts for secure connectivity in harsh environments. These circular connectors, compliant with military specification MIL-DTL-38999 I, offer reliable performance with a wide operating temperature range from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they come in straight plug configuration with bayonet coupling. The connectors are constructed with high-strength aluminum shells and removable crimp contacts, plated with gold for enhanced conductivity. Designed for durability, they meet stringent environmental sealing standards and are ideal for applications requiring resistance to extreme conditions. With RoHS-certified cadmium-free finishes available, these connectors ensure both performance and compliance.