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Graco 100029 Hex Nut Cap

The Graco 100029 Hex Nut Cap is a genuine OEM fastener used to secure and protect components in spray-foam and proportioner assemblies. Built for durability and a perfect fit in Graco systems.

  • Part Number: 100029
  • Type: NUT, CAP, HEX
  • Compatible Machine: Graco Predator Heated Proportioner
  • Application: Spray-foam and polyurea rigs
  • OEM Quality: Ensures precise fit and long service life

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About Graco 100029 Hex Nut Cap (NUT, CAP, HEX)

Compatible Machines

  • Graco Predator (Blue) Heated Proportioner / Spray Foam System

Key Specifications

Part Number Graco 100029
OEM Description NUT, CAP, HEX (Hex Nut Cap)
Also Known As 0385-5 (supplier reference)
Category Fastener / Service Part
Typical Application Used on Graco spray-foam & polyurea equipment assemblies (e.g., proportioner sub-assemblies)
Material / Finish Metal hex cap nut (service replacement; verify finish/thread with your parts diagram)

Overview

The Graco 100029 Hex Nut Cap is a small, precision fastener used to secure components within spray-application systems. It’s a direct service replacement for assemblies that call out NUT, CAP, HEX in the parts breakdown.

  • OEM-grade fit and function for Graco assemblies calling out 100029
  • Durable construction suitable for industrial spray environments
  • Helps maintain sealing/retention in sub-assemblies when serviced correctly

Frequently Asked Questions

It is primarily listed for spray-foam / polyurea equipment (e.g., Graco Predator). Some airless sprayers may use different fasteners. Check your specific parts list to verify the callout 100029.

Many suppliers reference 0385-5 alongside 100029 for this NUT, CAP, HEX. Treat 0385-5 as a supplier identifier; always order by OEM number 100029 when possible.

Consult the official Graco parts manual for your exact machine. The diagram will specify the thread/finish and location where 100029 is used. If uncertain, share your model & serial with support for verification before purchase.

Not recommended. Using a non-OEM fastener can affect torque, sealing, or durability. For critical assemblies, stick with OEM 100029.

Clean threads, verify alignment, and torque to the value specified in your service manual. After installation, re-check during the first few cycles to ensure retention and no leakage in the adjacent assembly.

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