MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an insert that is environmentally sealed for reliable performance. With an operating temperature range from -65°C to 200°C, these connectors are well-suited for harsh conditions. Available in various shell sizes and insert arrangements, they offer flexibility for different applications. The high-strength aluminum shells come in a range of plating options, including cadmium-free finishes for RoHS compliance. M39029 rear release crimp contacts ensure secure connections, while the bayonet coupling system allows for easy mating. Whether used in military, aerospace, or industrial settings, these connectors provide dependable connectivity.