MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. These connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they offer versatility with rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8. The high strength aluminum shells come with plating options including cadmium finishes, electroless nickel, and black anodized aluminum. This connector family includes front and rear wall mount as well as jam nut receptacles, offering flexibility in installation. Suitable for military applications, they meet MIL-DTL-38999 I specifications and are RoHS compliant, ensuring quality and reliability.