Description
The GRACO FAA040480 is a hex lock nut made from zinc-plated steel (grade 2), designed for secure fastening in GRACO fluid automation and spray equipment assemblies. It is intended to provide reliable, vibration-resistant connections in industrial and maintenance applications.
Key Features:
- Hex lock nut
- 1/4-28
- Zinc-plated steel (grade 2)
- Compatible with GRACO fluid automation and spray equipment requiring 1/4-28 threaded fasteners
- Vibration-resistant locking feature
- Corrosion-resistant zinc plating
- Standard hex profile for easy installation with common tools
Applications:
Used in the assembly and maintenance of GRACO fluid automation systems, spray equipment, and related industrial machinery where secure, vibration-resistant fastening is required.
Installation Notes:
- Using genuine GRACO parts ensures proper fit, performance, and safety in critical equipment assemblies.
- Ensure threads are clean and undamaged before installation.
- Tighten the nut securely using a suitable wrench or socket.
- Inspect for proper seating and locking to prevent loosening under vibration.
- Replace with a new lock nut if reusing is not recommended by the manufacturer.






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