The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert and offering reliable performance in extreme conditions. With an operating temperature range from -65°C to 200°C, these connectors are suitable for a wide range of applications. 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, ensuring durability and environmental compliance. These connectors, with bayonet coupling and removable crimp contacts, are ideal for military, aerospace, and industrial use where ruggedness and reliability are paramount.