Graco 157974 Plain Washer
$11.20
In Stock
The Graco 157974 Plain Washer is a genuine OEM hardware component designed to secure and align components in fluid-handling and spray equipment assemblies.
- Part Number: 157974
- Type: Plain Washer / Hardware
- Compatible Machines: Reactor H-25, H-40, H-XP2, Piston Transfer Pump, Industrial Fluid Modules
- Application: Spray foam, adhesive, and industrial fluid systems
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Genuine OEM Part
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Graco 157974 Plain Washer – Overview & Compatible Machines
The Graco 157974 Plain Washer is an OEM hardware component used in various Graco equipment assemblies. This flat washer ensures secure fastening, alignment, and reliable operation of piston, valve, and fluid-handling assemblies.
Compatible Machines
This washer is used in multiple Graco machines. Always verify your machine’s serial number and parts diagram before purchasing.
| Machine Model | Category | Application |
|---|---|---|
| Graco Reactor H-25 | Spray Foam / Adhesive | Fluid Section / Piston Assembly |
| Graco Reactor H-40 | Spray Foam / Adhesive | Fluid Section / Piston Assembly |
| Graco Reactor H-XP2 | Spray Foam / Adhesive | Fluid Section / Piston Assembly |
| Graco Piston Transfer Pump | Industrial Pump | Fluid Transfer / Fastening Hardware |
| Graco Industrial Fluid Modules | Industrial Pump | Piston-Valve Assembly / Hardware |
Key Features
- Part Number: 157974
- Type: Plain Washer / Hardware
- Function: Secures and aligns components in piston, valve, or fluid assemblies
- Application: Spray foam, adhesive, industrial fluid-handling equipment
- Note: Verify compatibility via machine parts list before ordering
Installation Notes
- Ensure proper orientation and placement of the washer in the assembly.
- Check associated bolts, nuts, or components for wear or damage.
- Tighten fasteners to manufacturer specifications to avoid leaks or misalignment.
- Confirm proper operation after installation through a short test run.
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 157974 |
| Type | Plain Washer |
| Function | Fastening, alignment, and securing components |
| Application | Spray foam, adhesive, industrial fluid-handling machines |
| Compatibility | Verify with machine parts breakdown and serial number |
Frequently Asked Questions
Compatibility depends on the machine model and assembly. Always confirm via the machine parts diagram and serial number to ensure proper fit.
Ensure correct placement, check bolts and nuts for wear, and tighten to manufacturer specifications. Perform a short test run to confirm assembly integrity.
Only if the machine’s parts breakdown shows identical washer specifications. Using it without verification may lead to misalignment or improper fastening.
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