MIL-DTL-38999 Series I connectors are engineered for rugged environments, featuring up to 128 contacts housed in a sealed insert. With an impressive operating temperature range from -65 °C to 200 °C, these connectors are designed for reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, they offer versatility for different applications. Crafted from high-strength aluminum, they come in a range of plating options including cadmium-free finishes. The connectors, compliant with military specification MIL-DTL-38999 I, ensure durability and conductivity with gold-plated contacts. Suitable for both wall mount and jam nut receptacles, they guarantee secure connectivity with a bayonet coupling mechanism. Meeting stringent standards for environmental resistance, these connectors are ideal for demanding industrial and military applications.