Reducer 3/4" to 1/2" Npt Female Pipe Adapter Coupler Brass Fitting Water Oil Gas
National Standard Taper Pipe Threads Size NPT Chart
AN NPT thread sizes
3/8
NPT American Taper Pipe Thread ANSI B 1.20.1
ICT Billet Straight 3/4" NPT Pipe to 1" Hose Barb Fitting Bare Aluminum National Pipe Thread Connector Fluid or Air Designed & Manufactured in The USA ...