Amazon.com: M20 to 1/2" Inch NPT thread adapters. ( $8.44 Each - Sold in 10 Packs ) M20X1.5 threads on external side. 1/2" Inch NPT threads on internal side. Nickel plated brass
Aluminum Adapter, 1/2" Male NPT to 1/2" Male NPT | Air & Hydraulic Equipment,Inc.
1-1/2"-11-1/2 NPT Carbon Steel Pipe Tap | DWTPT1-1/2 | DrillsandCutters.com
2" NPT Male Pipe x 2" NPSH Male Pipe Adapter – FireHoseSupply.com
Stainless Steel Compression Fitting 1/2 NPT to 1/4 Inch Thermocouple | Evolution Sensors and Controls
Stainless Steel Swing Check Valve - 1/2” up to 2” NPT
3/4" NPT Male x 1/2" NPT Male Straight 5404-12-08 Adapter | NPT Male to NPT Male - Hex Nipple | NPT to NPT | Hydraulic Adapters & Fittings | Hydraulics | www.surpluscenter.com