40mm NATO to 1/2" PVC Internal Threads
thingiverse
This connector will allow you to connect 40mm NATO threaded gasmask accessories to 1/2" PVC, which you can use to make all manner of... things...
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With this file you will be able to print 40mm NATO to 1/2" PVC Internal Threads with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on 40mm NATO to 1/2" PVC Internal Threads.