The Graco 164416 Flat Washer ensures secure assembly and even load distribution in pump hardware. Commonly used in Graco Hydra-Cat proportioning pumps for reliable performance and durability.
The Graco 164416 Washer is confirmed in Graco documentation for the following assemblies.
| Attribute | Detail |
|---|---|
| Part Number | 164416 |
| Description | Washer, Flat (plain washer) |
| Typical Size Context | Referenced in Graco listings as a 1/2 in flat washer within the Hydra-Cat pump assembly area. |
| Function | Distributes load under a bolt/nut, protects surfaces, and maintains spacing in assemblies. |
| Common Assembly Area | Hydra-Cat pump linkage/tie-plate related hardware (per documented parts lists). |
The Graco 164416 flat washer is used where a durable, consistent bearing surface is required around fasteners. In the cited Hydra-Cat proportioning pump assemblies, it helps distribute clamping force and reduce wear, supporting reliable, repeatable torque.
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