MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts within a sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts. The connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. Offering front wall mount, rear wall mount, and jam nut receptacles, they are ideal for military and aerospace applications requiring rugged connectivity. With gold-plated contacts and bayonet coupling, they ensure secure and durable connections. Meeting MIL-DTL-38999 I specifications, these connectors are essential for demanding environments where reliability is paramount.