The MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in a sealed insert. With a wide operating temperature range of -65°C to 200°C, they offer reliable performance in harsh conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with multiple plating options, including cadmium-free finishes. The bayonet coupling, straight plug design, and removable crimp contacts ensure easy installation and maintenance. Ideal for military and aerospace applications, these connectors provide secure and durable connectivity for critical systems.