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Graco 102794 Nut Hex

The Graco 102794 Nut, Hex is a small OEM fastener designed for precise assembly alignment in various Graco equipment.

  • Part Number: 102794
  • Thread Size: #4-40 fine thread
  • Used in Therm-O-Flow valves and Mastic Fluid Regulators
  • Ensures secure component fastening and reliable performance

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Overview & Compatibility for Graco 102794 Nut, Hex

Compatible Machines / Assemblies

The Graco 102794 (Nut, Hex) is a small fastener used across multiple Graco assemblies. Known occurrences from Graco parts lists include:

  • Graco Therm-O-Flow Automatic Dispense Valve assemblies (documented in Graco valve assembly parts lists)
  • Graco Mastic Fluid Regulators (appears in regulator assembly parts lists)
  • Other Graco spray foam / fluid-handling equipment where the parts list explicitly calls out 102794

Key Specifications

Graco Part Number 102794
Description Nut, Hex
Thread Size #4-40 (fine thread), per Graco parts documentation
Function General fastening within valve/regulator and related assemblies
Typical Use-Cases Securing small components in dispense valves, regulators, and similar fluid-handling sub-assemblies
Category Genuine Graco hardware / fastener

Why Choose This Part

  • OEM fit: Matches the thread spec and dimensions used in Graco documentation
  • Reliable fastening for small precision components in fluid-handling assemblies
  • Easy identification: Search manuals/parts lists by 102794

Installation & Fitment Notes

  • Verify the thread callout (#4-40) and quantity against your assembly diagram.
  • Use appropriate torque for small-thread hardware; avoid overtightening.
  • Replace any damaged or missing nuts during service to maintain assembly integrity.

Frequently Asked Questions

While the thread spec is #4-40, using the OEM Graco part ensures proper fit, materials, and consistency with Graco service documentation.

It appears in Graco Therm-O-Flow dispense valve assemblies and Mastic Fluid Regulators, and may be used in other equipment where listed in the parts manual. Always confirm by checking your unit’s parts list for 102794.

Quantity varies by assembly. Some valve/regulator diagrams show multiple pieces (e.g., a set of four). Refer to the specific exploded diagram for your model.

For vibration-prone applications, a light/medium threadlocker may be appropriate. Follow Graco service guidance for your assembly and avoid products that could affect plastics or seals nearby.

Locate the official parts list or service manual for your exact model and verify that part 102794 is called out. If needed, share your model/serial and we can check the diagram.

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