Graco 131477 Hexagonal Lock Nut 10-32
$5.25
Available to Order
Graco 131477 Hexagonal Lock Nut 10-32 is a genuine OEM hardware piece designed for use in Graco spray guns and related equipment. It ensures secure fastening in areas exposed to vibration or frequent use.
- Thread Size: 10-32 UNF fine thread
- Type: Hexagonal self-locking nut
- Used in: SG2 and SG3 spray guns
- Helps prevent loosening of trigger and handle assemblies
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Overview & Compatibility Details
Compatible Machines (from Graco parts documentation)
This lock nut appears in the parts breakdown for the following Graco spray guns:
- Graco SG2 Spray Gun – listed in gun parts and trigger repair documentation.
- Graco SG3 Spray Gun – listed in gun parts and trigger repair documentation.
Product Summary
The Graco 131477 Hexagonal Lock Nut 10-32 ensures a secure connection in vibration-prone areas such as spray gun trigger and handle sub-assemblies. Using the OEM nut guarantees proper fitment, torque retention, and long-lasting performance.
Key Specs
| Part Number | 131477 (Graco OEM) |
|---|---|
| Thread | 10-32 UNF (fine thread) |
| Type | Hexagonal lock nut |
| Typical Use | Securing small components in spray gun trigger and handle assemblies |
How to Confirm Fit
- Open your sprayer or gun’s official Graco parts diagram.
- Search for 131477 in the assembly callouts to verify its location and quantity.
- Match the sub-assembly (e.g., trigger kit) to your exact model and revision for accuracy.
Frequently Asked Questions
The nut itself is used in the SG2 / SG3 spray guns commonly paired with Magnum X5 and X7 sprayers. Check your gun’s parts diagram to confirm the nut location before ordering.
Yes — Graco 131477 is listed by multiple OEM distributors as a genuine Graco lock nut.
Graco documentation specifies part 131477 – Nut, Lock 10-32 but does not list the alloy. It’s typically a hardened steel or stainless component depending on the gun revision. If material is critical, confirm with Graco technical support using your model and serial number.
Quantity varies by assembly. The SG2 and SG3 trigger repair kits include the 131477 Lock Nut; consult your specific parts diagram to confirm the number required.
Possibly. Since 10-32 UNF is a common fine-thread size, the same nut may appear in other assemblies. Always match the part number from your model’s parts list to ensure the correct fit.
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