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LOCKNUT (Yale YT200003900)

Code: YT200003900

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Product Details

Aftermarket Replacement For
Yale
Warranty
6 months
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Reviews
Fast Shipping
6 Mo. Warranty
7-Day Returns

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(562) 693-7748Request Quote Online
Ships from Whittier, CA
Call: (562) 693-7748Mon-Fri: 7:30 AM - 4 PM

A damaged locknut can compromise the security of a bolted joint, leading to loosening under vibration. This aftermarket replacement part is cross-referenced to Yale part number YT200003900. The locknut functions by creating a prevailing torque that resists rotation once installed. A common failure consequence is gradual fastener loosening, which may cause component misalignment or detachment. During inspection, a locknut that spins freely without resistance indicates loss of locking ability. Keeping a locknut in sound condition helps maintain clamp load in threaded assemblies. Verify the serial number or application, then call (562) 693-7748.

Part number variants: YT200003900, yt200003900

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