MIL-DTL-38999 Series I connectors are engineered for rugged environments, featuring up to 128 contacts in a durable insert. With a wide operating temperature range of -65°C to 200°C, these connectors offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they come with M39029 rear release crimp contacts for secure connections. The high-strength aluminum shells are offered in different plating options, including cadmium-free finishes for RoHS compliance. Designed for military applications, these connectors provide excellent conductivity and environmental resistance, making them ideal for demanding scenarios.