Description
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






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