The GRACO 111504 is a packing O-ring designed for use in GRACO paint spray guns and related equipment. It is a sealing component, typically made from durable elastomeric material, intended to prevent leaks and ensure proper operation within the spray gun assembly. Key Features: Packing O-Ring 111504 GRACO paint spray guns and related equipment Designed for reliable sealing in spray gun assemblies Ease of maintenance and replacement Durable construction for extended service life Applications:Used in GRACO paint spray guns and spray foam equipment to maintain seal integrity and prevent leaks during operation. Installation Notes: Using genuine GRACO O-rings ensures proper fit, performance, and longevity of the equipment, reducing the risk of leaks and downtime. Ensure the equipment is depressurized and cleaned before installation Inspect the O-ring for damage or wear before installation Lubricate the O-ring with compatible lubricant if recommended by the manufacturer Follow the equipment manual for specific installation procedures