Husqvarna FS400 / FS500 Floor Saw Nut OEM 543045561

£3.07 Exc. VAT

This genuine Husqvarna nut ensures secure fastening of critical components on FS400 and FS500 series floor saws.
Precision threaded for stable clamping under vibration and heavy cutting loads.
Ideal for maintenance, repairs, and restoring safe, reliable saw operation.

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Fast UK delivery
14 days easy refund & returns
45+ years industry experience

About This Item

This Genuine Husqvarna Nut is engineered to provide secure fastening in high-vibration environments such as concrete and asphalt floor sawing. Manufactured to Husqvarna OEM specifications under part number 543 04 55-61, it delivers a precise thread fit and stable clamping strength to maintain alignment and structural integrity across assemblies.

Made from durable metal with a standard hex profile, it installs easily using conventional hand tools. Replacing worn, corroded, or missing nuts during servicing helps prevent loosening, misalignment, and premature wear of adjoining parts, ensuring your saw continues to perform accurately and safely on site.

Approximate weight: 0.02 kg


Key Features

  • Genuine Husqvarna OEM fastener for guaranteed fit and reliability

  • Precision-machined for secure fastening under heavy vibration

  • Strong, durable metal construction suitable for daily site use

  • Helps maintain frame rigidity and cut accuracy

  • Easy installation with standard tools

  • Ideal for servicing, rebuilds, or replacing missing or worn hardware


Typical Applications

Used when securing brackets, guards, frame joints, covers, and other mechanical assemblies on Husqvarna floor saws exposed to vibration and impact. Suitable for contractor maintenance, workshop repairs, and hire fleet servicing.


Also Known As

Hex nut, machine nut, retaining nut, fixing nut, clamping nut, fastener nut.


Fits Models

  • FS 400

  • FS 400 LV

  • FS 500 E

  • FS 600 E

  • FS400LV / FS500E / FS600E (equivalent naming formats)


Alternate Part Numbers

  • 543 04 55-61

  • 543045561