So, according to the tables I measured this thread on this barb to be 1/8".
Judging from its shape, it is a BSPT fitting since it is tapered. I have an NPT tap of the same size. Making an experimental thread in wood, it resulted that the barb fits in the tread. Are the TPIs of BSPT and NPT the same?
Given that there is a slight variation in taper angle, will the NPT tap make an acceptable seal with a BSPT fitting?
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