MIL-DTL-38999 Series I connectors feature up to 128 contacts within an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they offer versatility for different applications. Constructed with high-strength aluminum shells and offering a range of plating options, including RoHS-certified finishes, these connectors ensure reliable performance. The connector family includes front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they guarantee secure connections in demanding settings. Suitable for military and industrial use, MIL-DTL-38999 Series I connectors are essential components for maintaining connectivity in critical systems.