MIL-DTL-38999 Series I connectors offer durable connectivity in harsh environments, featuring up to 128 contacts in a sealed insert. With an operating temperature range of -65°C to 200°C, these connectors are designed for reliability. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The high-strength aluminum shells come in multiple plating options, including cadmium-free finishes. Offering front and rear wall mount options, as well as jam nut receptacles, these connectors are ideal for military and industrial applications requiring rugged performance in demanding conditions.