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The locking nut double cone is a vital fastening component used to secure double cone fittings in gas burner and boiler systems. This nut ensures that connections remain tight and stable, preventing gas leaks and maintaining system integrity. As part of burner spare parts, it is commonly employed in heating equipment where vibration or thermal expansion could loosen standard fittings. Designed for compatibility with double cone assemblies, this locking nut provides an extra layer of safety and reliability. Ideal for boiler maintenance and repair, it is a simple yet essential part for any technician working with gas burner parts.