The GRACO 166820 SPRING, COMPRESSION is a small compression spring designed for use in GRACO equipment, likely within proportioners or related fluid handling systems. Its material is not specified in available sources, but it is intended to provide consistent compression force within the assembly, ensuring reliable operation and component alignment. Key Features: Compression Spring 166820 Designed for use with GRACO equipment (specific models not detailed) Compact size for integration into tight spaces Lightweight (0.01 lbs) Dimensions: 0.55 x 1.1 x 0.45 inches (note: some sources list slightly different dimensions, but this is the most consistent with product listings) Reliable performance in demanding environments Applications:Used in GRACO proportioners and related fluid handling equipment to maintain proper component alignment and ensure consistent operation. Installation Notes: Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of your equipment. Always power off and depressurize equipment before installation Ensure the spring is seated correctly within its designated space Inspect for wear or damage before installation Follow GRACO equipment manual for specific installation procedures