MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert with environmental sealing. Operating between -65°C and 200°C, these connectors offer reliability in extreme conditions. Available in various shell sizes and insert arrangements, they use M39029 rear release crimp contacts for secure connections. With options for RoHS certified finishes, including cadmium-free plating, these connectors are versatile and durable. Perfect for military and industrial applications, the Series I connectors ensure reliable performance in demanding settings.