You can send a request for quote for p/n 03-0503 to Power Air Consulting using powerairconsulting.com. This part is manufactured by A L Hansen Manufacturing Company. The description of it is Nut Plain Hexagon. The national stock number associated with this part is 5310013123681. This part belongs to part family. An associate from Power Air Consulting will respond within 15 minutes to your query. It is our pleasure to help you with 03-0503 part requirements.