You can send a request for quote for p/n 490840 to Power Air Consulting using powerairconsulting.com. This part is manufactured by Dresser Industries Inc. The description of it is Rectifier Semiconductor Device. The national stock number associated with this part is 5961000239858. 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 490840 part requirements.