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Graco 15J555 Nut Packing

The Graco 15J555 Nut Packing provides secure seal retention for packing assemblies, helping prevent leaks and maintain consistent spray pressure.

  • Packing nut for fluid assembly sealing
  • Helps maintain tight connection under pressure
  • Durable steel construction
  • OEM‑compatible replacement part

$33.7
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Graco 15J555 Nut Packing – Product Overview

Compatible Machines

  • Graco Ultra Max II 395
  • Graco Ultra Max II 595
  • Graco Ultra Max II 695
  • Graco Ultra Max II 795
  • Graco Ultra Max II 1095
  • Graco Ultra Max II 1595

The Graco 15J555 Nut Packing is designed to secure and seal packing components within high‑pressure fluid systems. This nut maintains compression on the packing assembly, preventing leaks and helping maintain consistent system performance under demanding conditions.

Key Feature Description
Leak‑Resistant Seal Ensures tight compression of packing to prevent fluid loss.
Durable Construction Made from heavy‑duty steel to handle high pressure and repeat use.
Precise Fit Designed for direct replacement in packing assemblies.
Easy Maintenance Simplifies packing replacement and system upkeep.

By installing the 15J555 Nut Packing, you guarantee a secure and consistent seal around critical packing assemblies — reducing downtime and enhancing overall spray system reliability.

Installation & Maintenance Tips

  • Depressurize the system completely before removing the old nut.
  • Inspect packing components for wear or damage and replace as needed.
  • Tighten the nut to the manufacturer’s specified torque to ensure sealing without damaging components.
  • Check periodically for leaks and re‑adjust if necessary.
  • Replace the nut immediately if signs of thread wear or damage appear.

Frequently Asked Questions

Replace when you notice fluid seepage, inability to maintain pressure, or visible wear on the nut threads.

Only to the manufacturer’s specified torque. Over-tightening can damage the packing or threads and cause further issues.

Frequent tightening/loosening, exposure to vibrations, or corrosion can damage threads and reduce sealing performance.

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