The MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts and environmental sealing for reliable performance. With an operating temperature range of -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. Constructed with high strength aluminum shells and offering multiple plating options, including RoHS certified finishes, these connectors ensure durability and compliance with environmental regulations. The straight plug design with bayonet coupling and removable crimp contacts make them easy to install and maintain. Suitable for military and industrial use, these connectors provide secure and conductive connections, with a mating life of 500 cycles. Perfect for applications requiring environment-resistant wall and jam nut mounting receptacles and plugs.