MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert for secure connectivity. With an operating temperature range from -65°C to 200°C, these connectors are built to withstand extreme conditions. Available in various shell sizes and insert arrangements, they offer flexibility for different applications. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS certified finishes, these connectors ensure reliable performance. Suitable for military and industrial use, they come in different mounting styles and contact configurations, making them versatile for various connectivity needs. With features like environmental sealing and RFI grounding, these connectors provide durability and protection in demanding environments.