

The Graco 197330 Nut Packing (600‑750) secures packing seals in lower pump sections to prevent leaks. Key details include:
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.
| Part Number | 197330 |
|---|---|
| Fit Range | 600cc and 750cc pumps |
| Application | Packing seal retention |
| Material | Hardened metal |
| OEM Part | Yes |
| Weight | Approx. 0.88 lbs |
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.
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