1.5" NPT Male Pipe x 1.5" NPT Male Pipe Adapter DMH1510 then you've found what you're Industrial Fire 1 NPT
Baker’s notes & crumb story
Description
1.5" NPT Male Pipe x 1.5" NPT Male Pipe Adapter DMH1510 then you've found what you're Industrial Fire 1 NPT then you've found what you're looking for Another common use for this adapter is using it on a 2 A pipe coupling can be stepped or reduced in internal diameter to accept pipes of different sizes NPT National Pipe Tapered