You can send a request for quote for p/n N21B to Power Air Consulting using powerairconsulting.com. This part is manufactured by B G Laboratories Inc. The description of it is Transformer Audio Frequency. The national stock number associated with this part is 5950010189995. 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 N21B part requirements.