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Graco 103253 Hex Socket Screw Set

Graco 103253 Hex Socket Set Screw is a genuine OEM part used for securing manifolds and components in Graco spray guns and agitators.

  • Thread Size: 8-32 UNC-3A
  • Hex Socket Head for precise torque application
  • Commonly used in G40, AirPro, and PerformAA spray gun assemblies
  • Ensures stable alignment and tight fit in critical connections

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Overview & Compatibility for Graco 103253 (Hex Socket Set Screw)

The Graco 103253 is a genuine OEM Hex Socket Set Screw with thread specification 8-32 UNC-3A. It is used across multiple Graco assemblies (manifolds, gun bodies, and drive components). Always confirm against your unit’s parts manual before ordering.

Compatible Machines

  • Automatic G40 Air-Assisted Spray Guns — manifold/assembly locations commonly use 103253 (qty varies).
  • Automatic AirPro Spray Guns — select manifolds list 103253 set screws.
  • PerformAA™ Auto Air-Assist Spray Guns — certain models specify 103253 (often qty 2 per manifold).
  • Air-Driven Agitators — examples include models 26B632, 26B633 and kits referencing this set screw.

Specifications

OEM Part Number 103253
Official Description SCREW, SET, HEX, SOC, 8-32 UNC-3A
Thread / Class 8-32 UNC-3A (external class 3A fit)
Head / Drive Hex socket (set screw)
Typical Qty in Assemblies Often 2 per manifold/sub-assembly (check your manual)
Common Use Locations Manifold retention, alignment/stop points, securing fittings and internal components in automatic spray guns and agitators
Packaging Sold individually (single set screw)

What’s Included

  • (1) Graco 103253 Hex Socket Set Screw — 8-32 UNC-3A

Fit Guidance

  • Verify the part number in your unit’s IPL/service manual before ordering.
  • Hardware counts may differ by model revision or manifold style.
  • If your manual lists a kit, confirm whether 103253 is included or sold separately.

Frequently Asked Questions

While the thread is 8-32 UNC-3A, Graco specifies 103253 for certain assemblies to ensure the correct length/tolerance. For safety and sealing integrity, use the OEM part unless your manual explicitly permits an equivalent.

Many gun manifolds and agitators list a quantity of 2, but counts vary. Check your exact model’s parts list for the required quantity.

Typically in the manifold or rear fluid port area to secure fittings or alignment features. Your model’s exploded diagram will show exact placement.

It is supplied as a hardware item; apply sealant or threadlocker only if your manual instructs it for the assembly location.

This screw appears in manuals for specific automatic spray guns and air-driven agitators. For airless sprayers, only use it where your model’s parts list specifies 103253.

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