You can send a request for quote for p/n N250 to Power Air Consulting using powerairconsulting.com. This part is manufactured by Sioux Tools Inc. The description of it is Cleaner Valve Stem Guide. The national stock number associated with this part is 5110002248838. 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 N250 part requirements.