Description
The GRACO 558691 is an O-ring made from BUNA-N (Nitrile) material with a 90 durometer hardness. It is designed for use as a sealing component within GRACO lubrication and fluid handling equipment, providing reliable sealing against oils, fuels, and other compatible fluids.
Key Features:
- O-ring
- BUNA-N (Nitrile) rubber, 90 durometer
- Compatible with oils, fuels, and other fluids suitable for BUNA-N material
- High reliability for sealing applications
- Resistant to oils, fuels, and many industrial fluids
- Designed for use in GRACO lubrication systems
Applications:
Used as a sealing component in GRACO lubrication and fluid handling equipment, suitable for various industrial and maintenance applications.
Installation Notes:
- Using genuine GRACO O-rings ensures proper fit, performance, and longevity of the equipment, reducing the risk of leaks and downtime.
- Inspect O-ring for damage or defects before installation
- Ensure mating surfaces are clean and free of debris
- Lubricate O-ring with compatible lubricant if recommended by the equipment manual
- Install carefully to avoid pinching or twisting the O-ring






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