McFarlane - Fuel Transmitter Screw Seal Assembly | MC1802 Carbon Fiber Repair they are made up of

they are made up of a unique balance of properties that result in application performance that is both safe and effective for today’s commercial airline

fuels and fuel systems

or you'll be having to make repairs or do a replacement soon

For added customization

McFarlane - Fuel Transmitter Screw Seal Assembly | MC1802 Carbon Fiber Repair they are made up ofMcFarlane Fuel Transmitter Screw Seal Assembly MC1802 Screw Seal Assemblies for Piper Aircraft Screw seal assemblies are used to attach the fuel transmitter to the aircraft's fuel tanks. The seals are a special Viton rubber Stat O Seal that do not degrade or swell with avgas and are built into a special stainless steel washer. The Viton provides a positive seal around the screw No more leaks or seeps! A slotted screw with safety wire hole and a washer