The GRACO 109478 NUT, LOCK, HEX, SST is a stainless steel (SST) hex lock nut designed for use in GRACO lubrication and fluid handling equipment. Its primary function is to securely fasten components within GRACO systems, ensuring leak-free and reliable operation in demanding industrial environments.

Key Features:

• Hex lock nut
• Stainless steel (SST)
• Designed for use with GRACO lubrication and fluid handling equipment
• Corrosion-resistant due to stainless steel construction
• Hex design for easy installation and removal with standard tools
• Locking feature enhances security and prevents loosening under vibration

Applications:
Used in automatic lubrication systems, oil tank farms, off-road equipment, and other industrial applications where secure, corrosion-resistant fastening is required.

Installation Notes:

• Using genuine GRACO parts ensures optimal fit, performance, and longevity of equipment, reducing the risk of leaks and downtime.
• Ensure threads are clean and free of debris before installation
• Tighten to recommended torque specifications using appropriate tools
• Inspect regularly for signs of wear or corrosion and replace as needed