The MIL-DTL-38999 Series I connectors are built for demanding 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 include rear release crimp contacts and come in high-strength aluminum shells with multiple plating options for durability. Perfect for military and aerospace applications, they ensure secure connectivity with their bayonet coupling and wall mounting flange receptacles. RoHS compliant finishes guarantee environmental safety, making them ideal for mission-critical systems.