The MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts housed in a rugged insert. Designed for demanding applications, these connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts for secure connections. With options for front and rear wall mount as well as jam nut receptacles, the connector family ensures versatility in installation. Constructed with high strength aluminum shells and offering a choice of plating finishes, including RoHS-compliant options, these connectors guarantee durability and performance in military and industrial settings.