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Graco 197330 Packing Nut (600/750)

The Graco 197330 Nut Packing (600‑750) secures packing seals in lower pump sections to prevent leaks. Key details include:

  • Secures packing assembly in pump seal housing
  • Durable OEM construction for 600 and 750 pumps
  • Prevents fluid leaks under pressure
  • Easy to replace during maintenance

$90.5
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Compatible Machines

  • Graco Lower Pump 600cc models with packings
  • Graco Lower Pump 750cc standard sprayers
  • Industrial airless sprayer pumps with packing systems
  • Professional coating application pump assemblies

Product Overview

The Graco 197330 Nut Packing (600‑750) is a precision OEM packing nut for securing packing assemblies in Graco lower pump units. Built to maintain seal integrity, it prevents leaks and supports reliable pump performance. Ideal for maintenance and rebuild of 600cc and 750cc pump lower sections.

Specifications

Part Number 197330
Fit Range 600cc and 750cc pumps
Application Packing seal retention
Material Hardened metal
OEM Part Yes
Weight Approx. 0.88 lbs

Key Features

  • Secures packing assembly in pump fluid section
  • Durable OEM fit for pump lower units
  • Prevents leaks under high pressure
  • Fits standard Graco 600 and 750 pump sizes
  • Easy replacement during pump rebuilds

Installation

Replace the packing nut when old packings are worn or leaking. Ensure the pump is depressurized and clean. Thread the new nut securely to retain packing components and restore seal integrity.

Frequently Asked Questions

It holds the packing seals in place inside the pump lower section to prevent fluid leaks.

Yes, it is an OEM Graco packing nut designed for correct fit and performance.

Yes, basic mechanical skills are enough; ensure the pump is off and depressurized.

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