Graco 866339 Screw Shoulder Socket Head Modified
$7.90
In Stock
The Graco 866339 Shoulder Screw is a precision fastener designed for secure alignment in Graco pumps, sprayers, and line stripers. Ideal for triggers, linkages, and internal assemblies.
- Part Number: 866339
- Type: Shoulder screw, socket head (modified)
- Function: Maintains alignment and secures components
- Compatible With: Graco Walk-Behind Line Stripers, Airless Sprayers, Industrial Pumps
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
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Graco 866339 Screw Overview
The Graco 866339 Screw, Shoulder, Socket Head (Modified) is a high-precision OEM fastener designed for secure and accurate assembly in Graco equipment. Its modified shoulder and socket head ensure proper alignment and reliable mechanical performance in critical components.
Compatible Machines
This shoulder screw is used in multiple Graco machines where precision fasteners are required, including:
- Graco Walk-Behind Line Stripers – used in linkages and trigger assemblies.
- Graco Airless Sprayers – applied in pump and drive assemblies requiring precision alignment.
- Graco Industrial Fluid Delivery Pumps – secures internal components for proper function.
Specifications & Details
| Part Number | 866339 |
|---|---|
| Component Type | Shoulder screw, socket head (modified) |
| Design | Precision socket head with modified shoulder for alignment |
| Function | Provides secure fastening and precise alignment in mechanical assemblies |
| Use | Fastening in triggers, linkages, and pump assemblies |
Frequently Asked Questions
The 866339 shoulder screw is used as a precision fastener in mechanical assemblies such as triggers, linkages, and pump components where alignment and secure fastening are critical.
For proper fit and performance, using the genuine Graco 866339 OEM screw is recommended. Generic screws may not meet the required shoulder length, diameter, or alignment specifications.
Check your machine’s parts diagram or service manual to confirm the use of part 866339 in your model. This ensures compatibility and proper mechanical performance.
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