2" NPT Female Pipe x 1-1/2" NST (NH) Male Adapter – FireHoseSupply.com
Fitting, 1/2 Female X 7/16 Male Brass Adapter
Aluminum Adapter, 1/2" Male NPT to 1/2" Male NPT | Air & Hydraulic Equipment,Inc.
NIBCO 1-1/2 in. PVC DWV Hub x Slip-Joint Trap Adapter C48017HD112 - The Home Depot
1-1/2" PVC Male Adapter - Sierra Irrigation
uxcell 3/8" Drive (Female) x 1/2" (Male) Impact Socket Adapter for Use with Impact Wrenches, Breaker Bars, Ratchets, CR-MO Steel - - Amazon.com
Parker - Industrial Pipe Adapter: 1/2" Female Thread, 3/4-16 Male Thread, Male Straight Thread O-Ring x Female NPTF - 09107921 - MSC Industrial Supply
Amazon.com: 1-1/2" Male x 1-1/4" Female Thread Reducer Bushing Pipe Fitting, Adapter, Stainless steel SS 304 NPT : Industrial & Scientific
Amazon.com: LOZOME 2" Male x 1-1/2" Female Thread Reducer Bushing Pipe Fitting, Adapter, Stainless Steel SS 304 NPT Reducer Bushing Pipe Hose Fitting : Industrial & Scientific
Amazon.com: GESHATEN 1/2” G Thread (BSP) Female to 1/2” NPT Male Connector, Brass BSP to NPT Adapter 1/2 Inch, Industrial Metal Brass G Thread to Pipe Fittings Connect (2 Pack) : Industrial & Scientific
Amazon.com: Thread Reducer Bushing 2" Male x 1-1/2" Female Adapter Pipe Fitting with Stainless steel 304 NPT : Industrial & Scientific
Impact Socket Adapter Set, PTSLKHN 3 PCS | 1/4", 3/8", 1/2" Drive, Socket Adapter for Drill, 3/8 to 1/2 Socket Adapter, 3/8 to 1/4 Socket Adapter, Adaptation to High Torque Impact Wrenches - - Amazon.com
CRAFTSMAN 3/8-in to 1/2-in Standard Socket Adapter in the Socket Adapters department at Lowes.com
Parker - Industrial Pipe Adapter: 1/2" Female Thread, 1/2" Male Thread, MNPTF x FBSPP - 60041951 - MSC Industrial Supply