sourcing map Pipe Fitting Adapter 1/4 NPT Male to 1/4 G Female, Stainless Steel for Water Oil Air Pressure Gauge : Amazon.co.uk: Business, Industry & Science
KOOTANS 4 Pieces Heavy Duty 1/4 NPT Male Thread to 1/8 NPT Female Thread Brass Reducer hex Bushing Brass Fitting Pipe Hose Adapter Convert : Amazon.co.uk: Business, Industry & Science
AC PERFORMANCE Aluminum 45 Degree 1/4 NPT Male to 0.4" (10.05MM) Hose Barb Push On Fitting 1/4" NPT Thread to -6 AN Barb Fuel Pipe Adapter, Black : Amazon.co.uk: DIY & Tools
NPT Threads - National Pipe Tapered Thread Dimensions & Specifications
How to Determine the Size of 1/4” and 1/8” National Pipe Thread tapered (NPT) Fittings
Pipe Fitting Reducer Adapter 1/4" NPT Male x 1/4" NPT Female | eBay
Determine pipe thread sizes
Reducer 1/2" Female to 1/4" Male Npt Pipe Adapter Male Female Thread Water Oil | eBay
Creating NPT Threads in SOLIDWORKS Using the Hole Wizard Feature
G1/4'' (M) x 1/4'' NPT (F) Brass Reducer for Pressure Gauge | Tameson.co.uk