MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts within an environmentally sealed insert. With an operating temperature range from -65°C to 200°C, these connectors offer reliable performance in harsh conditions. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts. The high-strength aluminum shells come in plating options such as cadmium and nickel, with RoHS compliant finishes. Offering front wall mount, rear wall mount, and jam nut receptacles, these connectors ensure secure connectivity in military and industrial applications.