MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in a sealed insert. With an impressive operating temperature range from -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts. The high-strength aluminum shells come in plating options like cadmium and electroless nickel, ensuring durability. Offering RoHS-compliant finishes, these connectors are ideal for military and industrial applications, providing secure and efficient electrical connectivity.