MIL-DTL-38999 Series I connectors offer reliable performance in harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65 °C to 200 °C, they provide durability in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with different plating options, including cadmium-free finishes. Their design includes front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, ensuring versatility in installation. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. These connectors, compliant with military specification MIL-DTL-38999 I, are ideal for demanding applications requiring rugged and reliable electrical connectivity.