Description
The GRACO 187545 NUT, JAM, HEX is a low-profile, internally threaded fastener designed to secure components in place within GRACO equipment. Its material is not specified in available sources, but it is intended for use as a locking nut to prevent loosening of assemblies, especially in high-vibration environments.
Key Features:
- Jam Hex Nut
- Hexagonal, low-profile
- Low-profile design for space-constrained applications
- Reliable locking function to prevent loosening
- Essential for maintaining equipment integrity in high-vibration environments
Applications:
Used to secure and lock components in place on GRACO equipment, particularly in applications where vibration or movement could cause standard nuts to loosen.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, longevity, and safety of equipment. Non-genuine parts may not meet required specifications and could compromise equipment reliability.
- Install the jam nut against the work surface before tightening the main nut to lock it in place
- Ensure threads are clean and undamaged before installation
- Tighten securely but avoid over-torquing to prevent thread damage
- Regularly inspect jam nuts for signs of wear or loosening
- Replace with genuine GRACO parts if damage or excessive wear is detected






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