Graco 115483 Lock Nut

The Graco 115483 Lock Nut ensures stable, vibration‑resistant fastening in your spray system, preventing bolts and components from loosening during operation.

Genuine OEM part for Graco sprayers and guns
Fits SG2/SG3 spray guns and pump assemblies needing part 115483
Simple replacement — restores secure mechanical connections

$3.67

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Description

Compatible Machines for Graco 115483 Lock Nut

The Graco 115483 Lock Nut is a genuine locking nut designed to ensure secure fastening and prevent loosening due to vibration or pressure in various Graco spray‑equipment assemblies. Below are the compatible machines/systems where this part may be used (based on manufacturer references and common assemblies):

Graco SG2 / SG3 Spray Guns
Graco airless sprayers & pump assemblies requiring part # 115483
Graco systems where replacement nut 115483 (or equivalent) is specified — e.g. inline pump assemblies and trigger-gun assemblies

Frequently Asked Questions

It provides secure threaded fastening and resists loosening under vibration, pressure or repeated use — ensuring components remain tightly assembled. :contentReference[oaicite:1]{index=1}

Yes — aftermarket versions (e.g. from Bedford Precision Parts) are available that match OEM dimensions and thread specifications for systems requiring part # 115483. :contentReference[oaicite:3]{index=3}

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Graco 115483 Lock Nut

Compatible Machines for Graco 115483 Lock Nut

Frequently Asked Questions

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Graco 115483 Lock Nut

Compatible Machines for Graco 115483 Lock Nut

Frequently Asked Questions

What does this lock nut do?

Can I use it as aftermarket replacement?

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