Graco 100985 Extension Lock Washer
$8.05
In Stock
The Graco 100985 Extension Lock Washer is a genuine OEM external lock washer designed for secure fastening within Graco airless sprayers and striping systems. It prevents loosening in high-vibration assemblies like the bearing or drive housing.
- Part Number: 100985
- Type: Extension / External Lock Washer
- Used In: Bearing & Drive Housing Assemblies
- Fits: Ultra Max II 695, 795, 1095, 1595 & RoadLazer RoadPak
- OEM Quality: Genuine Graco Replacement Part
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Compatibility & Technical Details for Graco 100985
Compatible Machines
The Graco 100985 Extension Lock Washer appears in the bearing/drive housing hardware of these machines/assemblies:
- Graco Ultra Max II 695
- Graco Ultra Max II 795
- Graco Ultra Max II 1095
- Graco Ultra Max II 1595
- Graco RoadLazer RoadPak (Models 24G624 / 24G625)
What is Graco 100985?
The Graco 100985 Extension Lock Washer (also noted as Washer, Lock, External) is a genuine OEM lock washer used to secure fasteners within the bearing housing / drive housing area of select airless sprayers and striping systems. Its serrated profile helps resist loosening caused by vibration and load cycling.
Quick Specs
| Attribute | Detail |
|---|---|
| Manufacturer | Graco |
| Part Number | 100985 |
| Common Name | Extension / External Lock Washer |
| Typical Location | Bearing Housing / Drive Housing latch & related hardware |
| Function | Prevents fastener loosening from vibration; maintains assembly clamping force |
| Genuine OEM | Yes – for listed Graco machines/assemblies |
When to Replace
- Visible wear, flattening, or broken serrations on the lock washer
- Fasteners in the bearing/drive housing repeatedly work loose
- Any time related hardware is removed as part of service (best practice)
Frequently Asked Questions — Summary
No. Use the specific lock washer called out in your model’s parts list. Different diameters or tooth patterns can alter clamping and may lead to loosening or damage.
Commonly in bearing housing / drive housing latch and related hardware on Ultra Max II sprayers and in select RoadLazer RoadPak assemblies (see Compatible Machines list above).
Follow the Graco service manual for your machine. Many bearing/drive housing fasteners rely on mechanical locking (like this washer). If threadlocker is specified by the manual, use the correct grade and torque.
Flattened/rounded teeth, corrosion, deformation, or recurring fastener loosening after proper torque are indications to replace the lock washer.
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