A Southbend Range 2-HN66 Jam Nut locks threaded parts in place to maintain a secure assembly during regular use.
The jam nut secures threaded assemblies in place within kettle, skillet and pan equipment, preventing loosening that can disrupt alignment or stable operation. Its thin hex design and 3/4" thread size matter because they provide a tight locking fit in limited space while withstanding the repeated vibration and heat common in commercial cooking environments.
The jam nut might need replacement if connected components become loose, shift during operation or no longer stay properly adjusted. Physical signs can include worn or stripped threads, rounded hex edges, rust or corrosion and environmental signs may include prolonged exposure to heat, moisture or grease that could weaken its holding ability.
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Customers can return most new, unopened real OEM parts within 90 days of delivery, so go to our Returns page for more information on the policy. If the item has been installed and no longer works, complete the form in the Defective Parts & Warranty Inquiries section.