The GRACO 17745-7 O-Ring #049 BUNA-N is a sealing component made from Buna-N (Nitrile) rubber, designed to provide a reliable seal and prevent leaks in GRACO equipment. It is commonly used in fluid handling systems to ensure proper operation and longevity of the equipment.

Key Features:

• O-Ring
• #049 BUNA-N
• Buna-N (Nitrile) rubber
• Designed for use in GRACO equipment; specific compatibility should be confirmed with equipment manual or GRACO specialist
• Reliable sealing performance
• Resistant to oils, fuels, and many chemicals
• Standard hardness (typically Shore A 70, though not explicitly stated for this part number)
• Durable construction for repeated use

Applications:
Used in GRACO fluid handling and lubrication equipment to prevent leaks and maintain system integrity. Suitable for applications involving oils, fuels, and general industrial fluids.

Installation Notes:

• Using genuine GRACO O-Rings ensures proper fit, seal integrity, and equipment reliability. Non-genuine parts may compromise performance and safety.
• 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
• Avoid twisting or stretching the O-Ring during installation
• Follow torque specifications for fasteners to prevent over-compression or under-compression