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Graco 164661 Washer 2-1/2 x 11/16 x 3/16

The Graco 164661 Washer is a durable flat washer used in airless sprayer assemblies for spacing and load support. It ensures stable alignment and secure fittings in pump or mounting systems.

  • Part Number: 164661
  • Size: 2-1/2" OD × 11/16" ID × 3/16" Thick
  • Category: Airless Sprayer Hardware
  • Function: Load distribution and spacer in assemblies

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Overview & Dimensions

Compatible Machines

How to confirm fit:

  • Open your machine’s Parts/Repair Manual and search for 164661.
  • Match the assembly drawing (pump/mounting stack) where a washer 2-1/2 × 11/16 × 3/16 is specified.
  • If unsure, share your model & serial with support to confirm before ordering.

Product Summary

The Graco 164661 is a flat washer used in select Graco airless assemblies for spacing and load distribution. Dimensions are 2-1/2" OD × 11/16" ID × 3/16" thick.

Specifications

Attribute Detail
Part Number 164661
Item Washer
Outer Diameter (OD) 2-1/2"
Inner Diameter (ID) 11/16"
Thickness 3/16"
Category Airless sprayer hardware / spacers
Typical Use Load distribution or spacing in pump/mounting assemblies (refer to model parts diagram).

Helpful Notes

  • Always compare dimensions to your original washer before installation.
  • If your sprayer was previously serviced, verify there were no substitute dimensions fitted.
  • When rebuilding assemblies, replace worn washers to maintain proper stack height and clamp load.

Frequently Asked Questions

Use your sprayer’s Repair Parts manual or exploded view and search for 164661. Confirm the assembly location and match the required dimensions: 2-1/2" OD × 11/16" ID × 3/16". If the part isn’t listed, contact support with your model/serial for confirmation.

It’s commonly used as a spacer/load-distribution element in airless sprayer assemblies such as pump/mounting stacks. The exact location varies by model—refer to the assembly drawing for your machine.

Dimensions listed (2-1/2" × 11/16" × 3/16") are nominal reference sizes used for identification. If your application is sensitive to tolerances, check the BOM or contact support for the production spec.

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