Established in 1985, NAI has over 25 years of experience providing the highest quality replacement parts and services for diagnostic imaging equipment. Whether you need replacement parts for medical or industrial (non-destructive testing) applications, you can count on NAI to have the most comprehensive selection of products in the industry including; X-Ray tubes, CT tubes, Image Intensifiers, Cameras, Accessories and TubeSource Tested.


The world class engineering team at NAI has over 100 years of combined (diagnostic-imaging) manufacturing experience and they proudly work under ISO 13485:2003, the designation for the manufacturing of medical devices. It’s no wonder why Varian and Toshiba have trusted NAI to be their exclusive source for insert reloading. NAI’s commitment to quality is ongoing, and our current research and development endeavors include:

  • Recent investment of $500,000+ in equipment upgrades and testing bays 
  • New system testing ensures highest quality replacement parts 
    • Philips Integris Cath lab 
    • GE Proteus 
    • GE DMR and DMR+ 
    • GE AMX 4 and AMX 4+ 
    • Lunar Bone Densitometry (DEXA) 
    • OEC 9800 and 9600 
    • Indico CPI Generator 
    • Automated industrial parts washer 
    • Newest generation of x-ray tube loading station


NAI provides informational product resources including, Horn Angle ID, Stator ID, X-Ray Coverage Chart, Warranty Information and Tube Service Reports. These resources are designed to supplement the knowledge of radiology administrators and diagnostic imaging engineers. If you need further assistance or have a question about what is provided, please call (800) 288-8823 to speak with an experienced NAI associate.

  • Radiography and R&F
  • Portable X-Ray Tubes
  • C-Arm Tubes
  • CT, Mammography, Vascular
  • TubeSource Tested™
  • X-Ray Tubes
  • Image Intensifiers (Medical & Industrial)
  • II Power Supplies
  • CCD Cameras
  • Camera Tubes

Industry Leading Warranties:

  • 12 months on all Radiography & R&F tubes
  • 24 months on all Image Intensifiers
  • Matching OEM warranty on all CT tubes


TubeSource Tested


Our TubeSource Tested product line consists of high quality, pre-owned X-Ray tubes and Image Intensifiers that are rigorously tested, come with a minimum 6 month warranty and cost up to 80% less than OEM list. 

  • 22 step process for X-Ray tubes
  • 20 step process for image intensifiers

TubeSource Tested products are always performance verified to meet OEM and FDA standards so you can be 100% confident with the quality of your purchase. With TubeSource Tested products from NAI, you can ensure equipment uptime, at a significant cost savings to the OEM. 


95% of the products that NAI offers are available for next-day delivery and certain tubes are available same day. NAI is committed to minimizing your equipment down-time and we provide nesting tubes on site for maximum time savings.