MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts housed in an insert with environmental sealing. With a wide operating temperature range of -65 °C to 200 °C, these connectors ensure reliability in extreme conditions. Available in various shell sizes and insert arrangements, they offer flexibility for different applications. The connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. They are suitable for military and industrial use, providing a secure and durable connection with gold-plated contacts. The bayonet coupling mechanism and wall mounting options make installation easy and efficient. These connectors meet stringent MIL-DTL-38999 I specifications, guaranteeing performance and durability in demanding environments.