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Graco 187774 Jam Nut

The Graco 187774 Jam Nut secures assemblies and prevents loosening under vibration and load for stable pump performance.

  • Prevents fastener loosening
  • Durable metal construction
  • Maintains assembly stability

Retail Price: $52.75
You save: $2.89 (5.48%)
Our Price: $49.86
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Secure Fastening with Graco 187774 Nut Jam

Compatible Machines

  • Graco Series Q Pump
  • Graco Series H Pump

Key Features

Feature Benefit
Heavy-duty jam nut Prevents loosening under vibration
Precision threading Ensures secure assembly
Durable material Long-lasting performance

Installation & Usage Tips

  • Tighten securely but avoid over-torquing.
  • Check periodically for loosening.
  • Use with matching hardware for best fit.
  • Replace if threads wear or strip.

Frequently Asked Questions

Compatible with Graco Series Q and H pumps.

Yes, the design prevents loosening under vibration and load.

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