MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts sealed within an insert. With an operating temperature ranging from -65 °C to 200 °C, these connectors ensure reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they offer flexibility for different applications. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-certified finishes, these connectors guarantee durability and compliance with environmental standards. The Series I family includes front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs, catering to diverse mounting needs. Utilizing M39029 rear release crimp contacts, they provide secure and efficient connectivity. Whether for military, aerospace, or industrial use, MIL-DTL-38999 I connectors deliver robust and reliable electrical connections.