MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 gold-plated contacts within an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for rugged applications. Available in various shell sizes and insert arrangements, they offer versatility in design. The connectors come in high-strength aluminum shells with options for different plating finishes, including environmentally friendly choices. Suitable for military and industrial use, they provide reliable connectivity with their bayonet coupling and removable crimp contacts. Meeting MIL-DTL-38999 I specifications, these circular plugs ensure robust performance in demanding conditions.