Part number 0750-619592 is an Aero Easy Cover Sprocket 40A16 with a 1" Bore and 1/4" Keyway, finished in Yellow Zinc. This sprocket is a key component in Aero Industries Easy Cover manual and possibly some electric tarp systems. It features a 40A16 designation, referring to its specific chain size and number of teeth, and a 1-inch bore to fit onto a shaft. The 1/4-inch keyway ensures a secure, non-slip connection. Its yellow zinc coating provides enhanced corrosion resistance for durability in demanding environments.