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Graco 620840 Packing, Nut, Throat

The Graco 620840 Packing Nut Throat secures packing in fluid systems to maintain leak‑free operation and consistent pressure.

  • OEM packing nut throat
  • Ensures tight sealing
  • Durable and precise

$142
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Secure Packing Nut Throat for Fluid Sealing

Compatible Machines

Compatible Graco Systems
Graco pumps and high‑pressure sealing assemblies
Fluid line systems requiring packing support

Overview

The Graco 620840 Packing Nut Throat provides a secure lock for packing materials, helping prevent leaks and maintaining system integrity under pressure.

Key Features

  • OEM packing nut component
  • Ensures tight packing seal
  • Durable and long‑lasting
  • Supports leak‑free performance
  • Easy installation

Frequently Asked Questions

It holds packing material in place and helps maintain a proper seal in fluid systems.

Yes — official Graco packing nut throat component.

Inspect during routine maintenance or if leaks are noticed.

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