MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The connectors come in high-strength aluminum shells with a choice of plating options, including cadmium-free finishes. Offering wall mount receptacles with bayonet coupling, they are ideal for military and aerospace applications, ensuring durability and conductivity with gold-plated contacts. With RoHS compliant options, these connectors meet stringent industry standards for quality and environmental responsibility.