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Graco 166964 Non-Metallic Washer

The Graco 166964 Non-Metallic Washer is an OEM sealing washer designed for durability and reliable performance in fluid-regulator assemblies.

  • Genuine Graco replacement part
  • Non-metallic, corrosion-resistant material
  • Used in Graco fluid regulator systems

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Graco 166964 Non-Metallic Washer – OEM Replacement Part

Compatible Machines

  • Graco Fluid Regulator Assemblies (Referenced in Graco Manual 307-134)

The Graco 166964 Non-Metallic Washer is a genuine OEM sealing and spacing washer used in Graco regulator and coating-equipment assemblies. Its non-metallic composition provides excellent resistance to corrosion, chemicals and wear, making it suitable for fluid-handling and pressure-regulation environments.

Part Number 166964
Name Washer, Non-Metallic
Brand Graco OEM
Material Non-metallic composite
Primary Use Sealing and spacing component in fluid-regulator assemblies
Confirmed Compatibility Graco Fluid Regulator (as per Graco Manual 307-134)
Notes Compatibility beyond the listed regulator must be confirmed using your machine’s parts diagram.

Product Overview

This non-metallic washer provides stable sealing performance, prevents metal-to-metal contact and protects internal regulator components from abrasion or chemical exposure. It is recommended for maintenance, repair or full regulator rebuilds where precision matching of OEM parts is required.

Frequently Asked Questions

This washer is confirmed for Graco fluid regulators as listed in Manual 307-134. For other sprayers, compatibility requires checking the specific parts diagram for your model and serial number.

Non-metallic washers offer better resistance to chemicals, prevent corrosion and reduce wear caused by metal-to-metal contact, making them ideal for fluid-handling systems.

It is recommended to use the genuine part to ensure correct fit and proper sealing performance. Generic washers may not match sizing or material requirements.

Replace the washer when performing regulator service, rebuilds or when signs of wear, deformation or leakage appear in the regulated fluid system.

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