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
NIBCO 1-1/2 x 1-1/4 in. PVC DWV Trap Adapter Fitting C480127HD112114 - The Home Depot
1-1/2" PVC Male Adapter - Sierra Irrigation
446-074 - 446-074 - 1/2" x 3/4" PVC Sch. 40 Male x Female Adapter
Thread adapter 1/2-32 to 1/2-28
Aluminum Adapter, 1/2" Male NPT to 1/2" Male NPT | Air & Hydraulic Equipment,Inc.
NIBCO 1-1/2 in. PVC DWV Hub x MPT Male Adapter Fitting C4804HD112 - The Home Depot
Charlotte Pipe 1-1/2 in. x 1-1/4 in. PVC Schedule 40 MPT x S Reducer Male Adapter PVC 02110 1200HD - The Home Depot
Amazon.com: 1" (One-inch) Male to 1/2" (Half-inch) Female Socket Adapter : Tools & Home Improvement
Impact Socket Adapter Set, 3 Piece
Amazon.com: KOOTANS 1/2 NPT x 1/2 NPT Male Solid Brass Hex Nipples, Heavy Brass Pipe Adapter Fittings Equal Nipples Connectors 4Pieces : Industrial & Scientific