You can send a request for quote for p/n 490B to Power Air Consulting using powerairconsulting.com. This part is manufactured by B And K Precision Corporation. The description of it is Test Set Cathode Ray Tube. The national stock number associated with this part is 6625010381877. 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 490B part requirements.