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Knox Trailers · Hardware & Fasteners
9/16LW
In stock · ships from Knoxville
A 9/16-inch split lock washer, typically made of zinc-plated steel, used to prevent nuts from loosening under vibration.
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Verified fitment for 4 applications
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All confirmed applications for this part number.
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Fits any 9/16-inch bolt or stud; not vehicle-specific.
Part data verified against 4 catalog sources
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It is installed between the nut and the mating surface to exert spring tension. Commonly replaced whenever fasteners are removed or when the washer loses its tension, ensuring secure bolted joints on trailers and heavy-duty trucks.
Part Number: 9/16LW
LOCK WASHER
Unit: ea
Dealer: Knox Trailers
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