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Graco SP-M3X18MM Spring Pin: M3 X 18Mm (Fs20X Lower Linkage)

Graco SP-M3X18MM Spring Pin is a precision fastening component designed for FS20X lower linkage assemblies, ensuring secure alignment and smooth mechanical operation.

  • Size: M3 × 18 mm
  • Type: Spring (roll) pin
  • Application: FS20X lower linkage system
  • Provides secure and flexible fastening
  • Supports smooth pump and linkage movement

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Compatible Machines

The Graco SP-M3X18MM Spring Pin (M3 X 18Mm) is specifically designed for equipment using the FS20X Lower Linkage assembly.

  • Graco FinishPro series sprayers with FS20X fluid section
  • Graco fine finish airless sprayers using FS20X lower pump assembly
  • Graco contractor-grade electric airless sprayers equipped with FS20X linkage
  • Any Graco unit utilizing the FS20X fluid section and lower linkage system

Product Overview

The Graco SP-M3X18MM Spring Pin is a precision-engineered fastening component used to secure moving parts within the lower linkage assembly of compatible sprayers. Built as a slotted roll pin, it provides reliable retention while allowing slight flexibility during operation, ensuring smooth mechanical movement and consistent performance.

Key Features

  • Durable spring steel construction for long service life
  • Standard size: M3 diameter × 18 mm length
  • Designed for secure and vibration-resistant fastening
  • Maintains alignment of linkage components
  • Supports smooth operation of reciprocating pump systems

Technical Specifications

Product Name Graco SP-M3X18MM Spring Pin
Size M3 × 18 mm
Type Spring (Roll) Pin
Application FS20X Lower Linkage Assembly
Function Secures linkage components while allowing controlled flexibility

Application & Function

This spring pin plays a critical role in connecting and stabilising the lower linkage components within the sprayer’s pump system. It ensures that the drive mechanism and fluid section remain properly aligned, enabling efficient transfer of motion and consistent spraying performance.

Frequently Asked Questions

It secures and aligns moving parts within the lower linkage assembly, allowing smooth and stable mechanical operation.

No, it is specifically designed for sprayers that use the FS20X lower linkage or fluid section.

It is typically manufactured from high-strength spring steel to provide durability and resistance to wear.

Check your sprayer’s parts manual or confirm that it uses the FS20X lower linkage assembly before purchasing.

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