MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65 °C to 200 °C, they offer reliable performance in extreme conditions. These connectors come in various configurations, including front wall mount, rear wall mount, and jam nut receptacles, with RFI grounding plugs available. Compliant with military specification MIL-DTL-38999 I, they are constructed with high-strength aluminum shells and offer a range of plating options, including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and efficient connections. Suitable for aerospace, defense, and industrial applications, they provide durability and conductivity, meeting stringent performance standards.