

The Graco 331025 Washer, Spring Belleville is an internal spring washer used in Graco pump assemblies to maintain consistent preload and absorb vibration for stable operation.
The Graco 331025 Washer, Spring Belleville is a precision-engineered conical spring washer designed to maintain consistent preload and tension inside Graco pump and fluid handling assemblies. Its spring-loaded disc shape helps absorb vibration, compensate for wear, and keep critical fasteners secure during operation.
This washer is commonly installed within pump packing stacks or compression assemblies where maintaining controlled pressure is essential for reliable sealing and long service life.
| Part Number | 331025 |
|---|---|
| Component Type | Belleville Spring Washer |
| Function | Maintains preload and absorbs operational movement |
| Application Area | Fluid pump and packing assemblies |
| Manufacturer | Graco |
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