MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in a rugged insert. With front wall mount, rear wall mount, and jam nut receptacles, they offer versatile connectivity options. These connectors are environmentally sealed, ensuring reliable performance in extreme conditions with a wide operating temperature range from -65 °C to 200 °C. Compliant with military specification MIL-DTL-38999 I, they meet stringent quality standards. Constructed with high-strength aluminum shells and available in various plating options, including RoHS certified finishes, they provide durability and corrosion resistance. Utilizing M39029 rear release crimp contacts, these connectors offer secure and efficient connections. Suitable for applications requiring high reliability, conductivity, and ingress protection, they are ideal for military, aerospace, and industrial use.