The GRACO 104541 is a lock nut featuring a nylon insert, designed for secure fastening in GRACO spray equipment. It is typically made from metal with a nylon locking element to prevent loosening under vibration. Its intended use is to provide reliable, vibration-resistant fastening in various GRACO spray foam and application systems.

Key Features:

• Lock nut (with nylon insert)
• M8
• Metal with nylon insert
• Compatible with GRACO spray equipment and hose reels (e.g., XD30 Series High Capacity Hose Reels)
• Vibration-resistant locking
• Reusable
• Easy to install and remove
• Reliable fastening for critical connections

Applications:
Used in GRACO spray foam equipment, hose reels, and other spray application systems where secure, vibration-resistant fastening is required.

Installation Notes:

• Using genuine GRACO lock nuts ensures proper fit, performance, and safety in equipment assemblies.
• Ensure threads are clean and undamaged before installation.
• Hand-tighten the nut, then use a wrench to secure, but avoid over-tightening.
• Replace if nylon insert is worn or damaged.
• Refer to equipment manual for specific torque requirements (e.g., for hose reel guide arms, torque to 25–35 ft-lbs as specified in the XD30 Series manual).