Product Detail: Screw Cap Part 104472
The Screw Cap – part 104472 is an OEM fastener designed for secure assembly in various Graco fluid-handling and sprayer-systems. It ensures durability, correct fit, and reliable performance in demanding environments.
Compatible Machines
- Graco 24E191 Ram-Supply Unit (45:1 ratio) — Screw Cap 104472 listed in parts manual.
- Graco Dura-Flo Pump Assemblies — uses Cap Screw / Screw Cap piece for mounting.
- Graco general spray-equipment fastener applications where part 104472 is specified.
Key Specifications & Features
| Part Number | 104472 |
| Component Type | Screw / Cap Fastener |
| Material | High-quality steel (typical) for durability and corrosion resistance. |
| Purpose | Secures assemblies in high-pressure fluid or spray systems; maintains correct fit and alignment. |
| Suitability | Used in Graco pump units, ram supply systems, and spares lists for industrial use. |
Why This Screw Cap Matters
Using the correct fastener ensures system reliability and reduces unexpected downtime:
- Proper fit: OEM part ensures correct size, thread engagement, and torque specification.
- Material strength: Built to withstand pressures and vibrations in fluid-handling systems.
- Maintenance peace of mind: Makes sure assemblies remain secure and aligned—avoids leakage or component loosening.
Installation & Maintenance Tips
Follow these simple best practices when installing or servicing this part:
- Ensure the system is fully depressurized and isolated before removal or installation.
- Clean the mounting surface and threads; inspect for damage or wear before installing the new screw cap.
- Tighten to the manufacturer’s torque specification—avoid over-tightening which may strip threads or damage the assembly.
- Inspect fasteners during scheduled maintenance—replace if signs of corrosion, thread damage or improper fit are detected.
Frequently Asked Questions
While mechanically it may fit other systems with matching threads and dimensions, using it outside the specified Graco application may risk misfit or failure. Always verify dimensions, thread type and working conditions.
Inspect during each major service interval. If the screw shows thread damage, corrosion, or has been removed multiple times, replacement is recommended to maintain system integrity.
If under-torqued, the assembly may loosen over time, causing leaks or alignment issues. If over-torqued, it may strip threads or crack adjacent components. Always follow manufacturer torque specs.
