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Graco 127324 Adapter Fitting 1/4 NPT x 04 JIC

The Graco 127324 Adapter Fitting connects a 1/4" NPT port to a 04 JIC hose, offering a durable, leak-resistant carbon-steel connection for high-pressure spray systems.

  • 1/4" NPT (Female) × 04 JIC (Male)
  • High-strength carbon steel
  • 37° JIC flare sealing
  • Supports high-pressure sprayers
  • Ideal for Graco Magnum & ProX models

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Graco 127324 Adapter Fitting – High-Pressure 1/4 NPT × 04 JIC Carbon Steel Connector

The Graco 127324 Adapter Fitting is a premium-grade high-pressure connector engineered for reliable performance in professional spray equipment. Designed with a 1/4" NPT female inlet and a #4 JIC male outlet, this carbon-steel fitting provides a strong, leak-resistant connection widely used in Graco airless sprayers, proportioning pumps, and hydraulic fluid systems.

Its corrosion-resistant carbon-steel body, precision-machined threads, and 37° flare seat make it ideal for demanding paint, coating, and industrial fluid applications. Whether replacing a worn fitting or upgrading hoses, the Graco 127324 ensures stable flow and durable performance.

Compatible Graco Machines

This adapter is frequently used across multiple Graco airless sprayers and contractor-grade systems requiring 1/4" NPT to 04 JIC hose transitions:

  • Magnum X5 Electric Airless Sprayer
  • Magnum X7 Electric Airless Sprayer
  • Magnum ProX17 Electric Airless Sprayer
  • Magnum ProX19 Electric Airless Sprayer
  • Magnum ProX21 Electric Airless Sprayer
  • Magnum LTS-17 Cart Sprayer
  • Magnum LTS-15 Stand Sprayer

*Compatibility may vary by system year. Always cross-reference your equipment manual when replacing fittings.

Key Features

  • 1/4 NPT female to 04 JIC male connection
  • Made from **high-strength carbon steel** for excellent pressure resistance
  • Precision-machined for a leak-free 37° flare seal
  • Ideal for paint sprayers, hydraulic lines, and fluid transfer systems
  • Compatible with most Graco industrial and contractor-grade sprayers

Technical Specifications

Part Number 127324
Material Carbon Steel (corrosion-resistant)
Inlet Connection 1/4" NPT (Female)
Outlet Connection #4 JIC (Male)
Seal Type 37° Flared Seat
Pressure Rating Up to 5000 PSI (equipment dependent)
Recommended Use Airless paint sprayers, hydraulic hose connections, industrial fluid systems

Why This Adapter Is Important

The Graco 127324 plays a crucial role in maintaining consistent pressure and preventing leaks within your sprayer system. It’s especially useful when connecting NPT pump ports to JIC hydraulic hoses. The durable carbon-steel body withstands high operating pressure, making it reliable for contractors and professional painters.

Installation & Best Practices

  • Use PTFE tape or approved thread sealant on the NPT threads only (never on JIC flare).
  • Ensure both sealing surfaces are clean and undamaged before assembly.
  • Tighten to proper torque to avoid leaks or thread damage.
  • Check fittings periodically during heavy use, especially in high-pressure applications.

Safety Notes

Always depressurize your sprayer before replacing or tightening fittings. Improper installation or using non-matching threads may result in leaks, equipment failure, or injury.

Frequently Asked Questions

Yes. This carbon-steel adapter is designed for high-pressure systems and is commonly used in Graco Magnum and ProX sprayers.

Apply sealant only on the NPT threads. The JIC side seals through its 37° flare and should remain clean and dry.

Yes, if the threads and flare seat are undamaged. Always inspect before reuse to ensure leak-free performance.

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