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Graco 117023 Spring Pin

The Graco 117023 Spring Pin provides precise retention and alignment in high-pressure pump and valve assemblies. Its durable design ensures consistent performance over time. Key features include:

  • Precision Fit: Maintains accurate axial alignment in bores and flanges.
  • Durable Material: Made from 17-4 PH stainless steel for corrosion resistance.
  • High Strength: Withstands repeated press-fit installation without deformation.
  • Versatile Use: Compatible with Graco piston, diaphragm, and fluid end assemblies.

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Graco 117023 Spring Pin – Precision Retention Component

Compatible Machines

The 117023 Spring Pin is compatible with various Graco pumps and finishing systems:

  • Graco Airless Spray Pumps
  • Graco Piston Pump Modules
  • Graco Diaphragm Pump Assemblies
  • Graco Fluid End Assemblies
  • Graco Finishing Equipment

Key Features

  • Precision-Ground Stainless Steel: Provides corrosion resistance and high yield strength.
  • Axial Slot Design: Ensures controlled spring deflection and prevents axial displacement.
  • Compact Size: Measures 0.1 x 0.25 x 0.05 inches, lightweight at 0.03 lbs.
  • Durable Construction: Maintains retention force over high-cycle operations.
  • OEM Specification: Designed for seamless integration into Graco pump and valve assemblies.

Technical Specifications

Specification Detail
Part Number 117023
Material 17-4 PH Stainless Steel
Dimensions 0.1 x 0.25 x 0.05 inches
Weight 0.03 lbs
Hardness Rockwell C38
Temperature Tolerance Up to 350 °F (177 °C)

Installation & Maintenance Guidelines

  • Use a calibrated arbor press or hydraulic fixture for press-fit installation.
  • Inspect bore and flange for burrs before insertion to avoid misalignment.
  • Periodic inspection every 500 service hours recommended.
  • Replace if axial play exceeds 0.005 inches or retention is compromised.

Frequently Asked Questions

The 117023 Spring Pin works with Graco airless spray pumps, piston and diaphragm modules, fluid end assemblies, and finishing equipment. Always check the specific parts diagram for confirmation.

Reuse is not recommended as the pin may lose its precise retention properties after removal.

Clean the bore, use a calibrated arbor press or hydraulic fixture, avoid threaded tools, and verify full seating for proper retention.

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