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Graco 100166 Nut Full Hex

The Graco 100166 Nut, Full Hex is an OEM fastening component designed for secure assembly on select Graco spray equipment. Commonly used with 10-32 UNF threads.

  • Part Number: 100166
  • Thread Size: 10-32 UNF
  • Compatible Models: Graco 965766, 965786
  • OEM Quality: Genuine Graco replacement

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Compatibility & Key Details for Graco 100166 Nut, Full Hex

Compatible Machines

This OEM Graco 100166 Nut, Full Hex appears in specific Graco parts lists. Confirm against your model’s manual before ordering.

  • Graco 965766 (listed with 100166 as a 10-32 full-hex nut)
  • Graco 965786 (listed with 100166 as a 10-32 full-hex nut)

What is Graco 100166 Nut, Full Hex?

Factory part 100166 is a standard full-hex nut used on select Graco equipment. It is referenced in OEM diagrams as a small fastening component.

Quick Specs

Part Number 100166
OEM Description Nut, Full Hex
Thread (where specified) 10-32 UNF (as called out in certain OEM lists)
Package Contents 1 × Nut (Full Hex)
Typical Use Fastening small components on select Graco spray/finishing assemblies

How to Confirm Compatibility

  • Match your exact machine model against the list above.
  • Open your OEM parts manual and verify the reference number maps to 100166.
  • Confirm the thread size (10-32 UNF) where your manual specifies it.

Frequently Asked Questions

Yes—100166 is an OEM Graco part referenced in official parts lists as a Nut, Full Hex.

Certain OEM lists call it out as 10-32 UNF. Always confirm your model’s manual before ordering.

It is explicitly listed for Graco 965766 and Graco 965786 in OEM documentation. For other models, verify the parts diagram for your exact unit.

Using non-OEM hardware may affect fit or longevity. If you must substitute, ensure the thread size, material, and grade match and torque to spec. OEM is recommended.

Refer to your unit’s exploded parts diagram and locate the callout number that maps to part 100166. Cross-check the assembly notes and any torque guidance in the manual.

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