Metric threads

[fanackapan]

im going mad trying to find what the internal thread is on a three piece dart union not the bsp thread at each end but the larger thread in the middle can any body help

 

[MiketheEngineer]

Take one apart and measure it??

 

[fanackapan]

I only have the male end all three piece unions seem to have different threads so you cannot interchange the one i have is a 38 x 2mm but struggling to find a standard fitting with that thread