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. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with a selection of plating options, including RoHS-certified finishes. The connector family includes front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, ensuring versatile connectivity solutions. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connections. Suitable for military and industrial applications, these connectors meet stringent MIL-DTL-38999 I specifications for durability and performance.