MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With front wall mount, rear wall mount, and jam nut receptacles, they offer versatile connectivity options. These connectors, compliant with military specification MIL-DTL-38999 I, ensure reliable performance in extreme conditions with an operating temperature range from -65 °C to 200 °C. The high-strength aluminum shells come in various plating options, including cadmium-free finishes for RoHS compliance. Utilizing M39029 rear release crimp contacts, they provide secure and efficient connections. Suitable for demanding applications, these connectors are environmentally sealed and offer excellent ingress protection. With a wide range of shell sizes and insert arrangements available, they cater to diverse connectivity needs in military, aerospace, and industrial settings.