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Graco 119554 Thin Pattern Nylon Lock Nut

The Graco 119554 Nut Lock Nylon Thin Pattern ensures secure connections and reliable performance for your airless sprayer systems. Key benefits include:

  • Durable Nylon Construction: Resistant to wear and chemicals
  • Thin-Pattern Design: Saves space and simplifies installation
  • High-Pressure Rated: Works with pumps up to 4,500 psi
  • Compatible Machines: Graco GH Series, HFR Series, Legacy Airless Pumps

$3.91
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Graco 119554 Nut Lock Nylon Thin Pattern – Key Replacement Component

Enhance your airless sprayer system’s reliability and efficiency with the Graco 119554 Nut Lock Nylon Thin Pattern. Designed for professional fluid delivery systems, this high-strength nylon nut ensures precise connections and long-lasting performance.

Compatible Machines

  • Graco GH Series Airless Sprayers
  • Graco HFR Series Sprayers
  • Legacy Airless Pump Assemblies

Product Highlights

  • High-strength nylon construction for durability and chemical resistance
  • Thin-profile design reduces axial footprint and simplifies installation
  • Optimized for airless sprayer systems and high-pressure filtration modules
  • Improves pump efficiency and extends seal longevity

Material & Design

  • Specially formulated nylon 6/6 resin with heat stabilizers
  • Anti-wear fillers reduce friction during assembly
  • Thin-pattern multi-start threads for load distribution and reduced stress

Performance & Maintenance

  • Torque retention up to 25 ft-lb with ±2% variation
  • Pressure tested up to 4,500 psi
  • Schedule inspections every 250 hours for optimal performance
  • Compatible with composite sealing rings for extended service life

Frequently Asked Questions

The Graco 119554 Nut Lock is made from high-strength nylon 6/6 resin with heat stabilizers and anti-wear fillers for durability and chemical resistance.

Compatible with Graco GH Series Airless Sprayers, HFR Series Sprayers, and Legacy Airless Pump Assemblies.

Apply a thin coat of thread lubricant, torque to 20–22 ft-lb, and follow a controlled 30° torque-angle specification using a calibrated torque wrench.

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