You can send a request for quote for p/n S1991M to Power Air Consulting using powerairconsulting.com. This part is manufactured by Four Star Products Inc. The description of it is Die Set Rethreading Split Nut. The national stock number associated with this part is 5136013553035. 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 S1991M part requirements.