Graco 101792 Washer Lock
$10.70
In Stock
Graco 101792 Washer, Lock is a durable hardware component designed to secure fasteners in place and prevent loosening from vibration. Commonly used across many Graco airless sprayers.
- Part Number: 101792
- Type: Lock Washer
- Used in: Pump mounts, manifolds, frame & guard assemblies
- Confirmed Fit: Graco EM 390 (Model 231-138)
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
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Compatible Machines
- Graco EM 390 — Model 231-138 (Series A), confirmed “Lockwasher” location
- Also used across many Graco airless spray units (frame hardware, pump mounts, manifold/filter head brackets). Please confirm in your unit’s parts list.
About the Part
The Graco 101792 Washer, Lock is a spring-style lock washer used as hardware (not a fluid-path component) to resist loosening under vibration around brackets, guards, manifolds, and cart/frame assemblies on various Graco sprayers.
Key Specifications
| Part Number | 101792 |
|---|---|
| Official Description | Washer, Lock |
| Category | Hardware & Fasteners |
| Function | Prevents loosening of fasteners under vibration/pressure |
| Typical Locations | Pump mounts, manifold/filter head brackets, guards, cart/frame assemblies |
| What’s Included | 1 × Lock Washer (101792) |
| Confirmation Tip | Match the part number in your model’s service/parts diagram before ordering |
Fitment Notes
- Because this is a general-use hardware item, it appears on multiple Graco models; always verify against your exact unit diagram.
- If your manual lists 101792 at a specific bolt location, this washer is the direct replacement.
- For assemblies using multiple lock washers, confirm quantity needed per your machine’s schematic.
Frequently Asked Questions
Check your model’s service/parts diagram. If it explicitly lists 101792 Washer, Lock at the relevant fastener location, this is the correct part.
Commonly at frame/carry cart hardware, pump mount bolts, and manifold or filter head brackets—areas exposed to vibration.
Yes—this listing is for a single lock washer unless otherwise noted. Order the quantity required by your unit’s diagram.
No. The package includes only the 101792 Washer, Lock. Compatible bolts/nuts are sold separately if required.
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