The GRACO 104820 is a torsion spring designed to fit the GRACO-191748 collar of the Funnel Assembly 243650. It is intended for use in GRACO Oil King and Coolant King lubrication equipment, ensuring secure attachment and optimal performance. The material is not explicitly stated, but it is a high-quality replacement part essential for maintaining equipment functionality[5][2][1]. Key Features: Torsion Spring Fits 1-1/2" diameter shaft GRACO Oil King, Coolant King, Funnel Assembly 243650 (GRACO-191748 collar) Durable and reliable Ensures secure fit and optimal performance Essential for equipment maintenance Applications:Used in GRACO Oil King and Coolant King lubrication equipment for secure funnel assembly attachment and reliable operation[5]. Installation Notes: Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of your lubrication equipment. Ensure the spring is properly seated on the 1-1/2" shaft before assembly Check for wear or deformation before installation Replace the spring if it shows signs of fatigue or damage Regularly inspect the spring for wear or damage Replace as part of routine maintenance to prevent equipment failure Keep spare springs on hand for quick replacement