The MIL-DTL-38999 Series I connectors offer robust performance in harsh environments, featuring up to 128 contacts in an insert. With operating temperatures ranging from -65°C to 200°C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for reliable connectivity. The high-strength aluminum shells come in a range of plating options, including cadmium-free finishes. Offering front and rear wall mount, as well as jam nut receptacles, these connectors ensure secure connections in military and industrial settings. RoHS compliant options are also available for environmentally conscious applications.