The GRACO 127938 is a nylon lock nut designed for use with M12 x 1.75 threaded fasteners. It is typically used as a secure fastening component in GRACO equipment, providing vibration resistance and preventing loosening under dynamic loads. The material is not explicitly stated for the GRACO-branded part, but similar nuts are commonly made from steel with a nylon insert.

Key Features:

• Nylon Insert Lock Nut
• M12 x 1.75
• Compatible with M12 x 1.75 threaded fasteners and GRACO equipment requiring this size
• Vibration resistance due to nylon insert
• Prevents loosening under dynamic loads
• Reliable fastening for critical equipment components

Applications:
Used as a secure fastening component in GRACO spray equipment and other machinery requiring vibration-resistant locking nuts.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, performance, and reliability within GRACO equipment.
• Ensure threads are clean and undamaged before installation
• Hand-tighten the nut until snug, then use a wrench to secure, but avoid over-tightening to prevent damage to the nylon insert
• Replace the nut if the nylon insert is worn or damaged
• Regularly inspect for signs of wear or loosening
• Replace with genuine GRACO parts as needed