You can send a request for quote for p/n 4921 to Power Air Consulting using powerairconsulting.com. This part is manufactured by B K Medical Systems Inc. The description of it is Microphone Capacitor. The national stock number associated with this part is 5965010079757. 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 4921 part requirements.