The GRACO 558148 is a Buna-N (Nitrile) O-ring with a 70 durometer hardness, designed for sealing applications within GRACO equipment. It is intended to provide a reliable seal in various fluid handling systems.

Key Features:

• O-ring
• Buna-N (Nitrile) rubber, 70 durometer
• Compatible with GRACO equipment requiring O-rings of this size and material
• Reliable sealing performance
• Resistant to oils, fuels, and many chemicals
• Durable for repeated use in industrial environments

Applications:
Used in sealing applications within GRACO pumps, sprayers, and fluid handling equipment where a Buna-N O-ring is required.

Installation Notes:

• Using genuine GRACO O-rings ensures proper fit, seal integrity, and equipment longevity.
• Ensure surfaces are clean and free of debris before installation
• Lubricate O-ring with compatible lubricant if recommended by the equipment manual
• Inspect O-ring for damage or wear before installation
• Replace O-ring during routine maintenance or if leaks are detected