MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high strength aluminum shells with a choice of plating options, including cadmium-free finishes. Offering front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide versatility for different mounting configurations. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and efficient connections. Trusted for military applications, they meet the stringent requirements of MIL-DTL-38999 I specifications.