MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors provide reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they offer versatility for different applications. The high-strength aluminum shells come with multiple plating options, including cadmium-free finishes for RoHS compliance. M39029 rear release crimp contacts ensure secure connections, while the bayonet coupling mechanism allows for easy mating. Suitable for military and industrial uses, these connectors are ideal for applications that demand durability and reliability.