The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert that is environmentally sealed for reliable performance. With an operating temperature range from -65 °C to 200 °C, these connectors are suitable for a wide range of applications. Available in various shell sizes and insert arrangements, they offer flexibility in design. Utilizing M39029 rear release crimp contacts, they ensure secure connections. The high strength aluminum shells come in different plating options, including cadmium-free finishes for RoHS compliance. Whether for military or industrial use, these connectors provide durability and conductivity in challenging conditions.