This screw, part number 503481801, secures key components in your Sinkmaster, General, Kirby, Husqvarna, Bolens, Craftsman, MTD, Cub Cadet, Shindaiwa, Simplicity, or Wagner Garbage Disposer, Humidifier, Vacuum Cleaner, Lawn Mower, Snowblower, String Trimmer, Leaf Blower, Edger, Hedge Trimmer, Chainsaw, Pole Pruner, Bath Fan, or Paint Sprayer.