MIL-DTL-38999 Series I connectors offer robust performance in harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for diverse applications. 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 for RoHS compliance. Offering front and rear wall mount as well as jam nut receptacles, these connectors ensure reliable connectivity in military and industrial settings.