The MIL-DTL-38999 Series I connectors boast exceptional durability and versatility for harsh environments, featuring up to 128 contacts in an insert. These circular receptacles come in various mounting options including front and rear wall mount as well as jam nut receptacles, all designed for secure installations. With a wide operating temperature range of -65 °C to 200 °C, they are suitable for a range of applications. Utilizing M39029 rear release crimp contacts in various sizes, these connectors ensure reliable connectivity. Crafted from high strength aluminum, they offer robust performance, while their diverse plating options, including cadmium-free finishes, cater to different environmental requirements. The MIL-DTL-38999 I connectors guarantee efficient and secure electrical connections in demanding settings.