MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they offer versatility in design. Constructed with high-strength aluminum shells and offered with different plating options, including cadmium-free finishes, these connectors ensure reliable performance. The connector family includes front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, catering to different installation needs. Utilizing M39029 rear release crimp contacts, they provide secure connections. Whether for military or industrial use, these MIL-DTL-38999 I connectors are trusted for their durability and environmental sealing capabilities.