The MIL-DTL-38999 Series I connectors offer robust performance in harsh environments, featuring up to 128 contacts sealed for environmental protection. With an operating temperature range of -65 °C to 200 °C, they ensure reliable connectivity in extreme conditions. Available in various shell sizes and insert arrangements, these connectors accommodate diverse applications. Constructed with high-strength aluminum shells and offered in different plating options, including RoHS certified finishes, they provide durability and versatility. The connector family includes front and rear wall mount receptacles, as well as jam nut receptacles and RFI grounding plugs, delivering flexibility in installation. Utilizing M39029 rear release crimp contacts, they guarantee secure connections. Suitable for military and industrial use, the MIL-DTL-38999 Series I connectors meet stringent quality standards, making them ideal for demanding environments requiring reliable electrical connectivity.