The GRACO 113936 is a U-cup packing designed for use in GRACO pumps and drum pump systems. It acts as a sealing component to prevent leaks and maintain pressure within the pump assembly. The material is not explicitly specified in available sources, but U-cup packings are typically made from durable elastomers such as nitrile or polyurethane for reliable sealing performance. Key Features: U-cup packing 113936 Compatible with GRACO drum pumps and similar pump systems Quick and straightforward replacement Designed for reliable sealing in pump assemblies Supports efficient maintenance and reduced downtime Applications:Used in GRACO drum pumps and similar equipment for sealing and maintaining pump integrity during operation. Installation Notes: Using genuine GRACO parts ensures proper fit, performance, and longevity of the equipment. Follow the equipment manual for specific installation instructions Ensure the pump is depressurized and cleaned before replacing the packing Inspect the packing and mating surfaces for wear or damage before installation Use appropriate tools to avoid damaging the packing during installation Regularly inspect the packing for wear or leaks Replace the packing as part of routine maintenance or when leaks are detected Keep spare packings on hand to minimize downtime