

The Graco 15F453 Retainer / Retaining Ring is an OEM metal ring with a 1.88″ bore, engineered to securely hold internal pump or fluid-system components in place — preventing displacement and maintaining reliable operation.
The Graco 15F453 Retainer / Retaining Ring is an OEM-specified retaining ring engineered to hold internal components securely in place within pumps or fluid-handling assemblies. Its precise bore size (1.88 inches) and original-equipment manufacturing ensure stability, proper alignment, and reliable performance under pressure. This ring helps maintain structural integrity and prevents axial slippage or misalignment in core assemblies.
| Specification | Details |
|---|---|
| Part Type | Retaining Ring / Retainer |
| Bore Size | 1.88 inches |
| Function | Axial retention of internal components |
| Material | OEM-grade metal alloy |
| Compatibility | Graco pumps and fluid-handling assemblies requiring 1.88″ bore retaining ring |
| Certification | Genuine Graco OEM part |
This retaining ring is commonly used in high-pressure pumps, piston assemblies, or fluid chambers within Graco equipment where precise axial alignment and secure retention of internal parts is required. It helps ensure smooth operation and prevents internal shifting under pressure or mechanical stress.
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