Fragola -4AN Bulkhead Nut - Blue

This is a Fragola -4AN bulkhead nut, finished in blue. It's designed to pass a -4AN fitting through a panel, like a firewall or fuel tank, creating a clean and secure connection point. If you're building a custom fuel system, oil cooler lines, or any other fluid transfer setup where you need a fitting to go through a sheet metal surface, this bulkhead nut is what you'll use to secure it in place.

The nut itself is well-built and features the standard AN fitting thread. The blue finish isn't just for looks; it helps identify the line's purpose or simply adds a custom touch to your project. When installing, you'll typically use this with a corresponding bulkhead fitting, and it tightens down to hold that fitting firmly against the panel.