Hose Fitting with 3/16 inch Brass Barb for turbo housing

Good for tapping a boost signal directly at the turbo housing.  Only works for turbo housing ports that have 1/8" NPTF thread.  27 threads per inch, .26" thread engagement.  Barb is 3/16" (4.76 mm) size which will work with 4mm silicone vacuum hose.