The GRACO 168890 is a compression spring, a mechanical component designed to absorb and store energy when compressed and release it to return to its original position. Its material is not specified in available sources. It is intended for use within GRACO equipment to provide reliable force and motion control, commonly found in spray equipment assemblies. Key Features: Compression spring Height: 0.35 in (0.889 cm), Length: 0.25 in (0.635 cm), Width: 0.5 in (1.27 cm) Designed for use in GRACO equipment; specific models not listed Absorbs and stores energy when compressed Returns to original position after compression Reliable performance in GRACO equipment Applications:Used in GRACO spray equipment and related assemblies for force and motion control. Installation Notes: Using genuine GRACO parts ensures optimal performance, safety, and longevity of equipment. Ensure the spring is properly seated in its designated location within the assembly. Inspect for wear or damage before installation. Follow equipment manual instructions for installation and maintenance. Regularly inspect the spring for signs of wear or fatigue. Replace with genuine GRACO parts as needed to maintain equipment reliability.