PRECISION ARMAMENT THREAD ADAPTER 1/2-28 TO 5/8-24 | Brownells
1/2-28 to 5/8-24 Adapter - Silencer Shop
BrassCraft 1/2-in x 3/8-in Threaded Adapter Fitting in the Brass Fittings department at Lowes.com
NIBCO 1-1/2 in. PVC DWV Hub x FIPT Female Adapter C4803HD112 - The Home Depot
1-1/2 Dr. Impact Adapter 1-1/2F x 2-1/2M | Genius Tools | 938020
1/2 to 3/8 Reducer, Vfauosit 3/8 to 1/2 RV Faucet Adapter Brass Compression Fitting Faucet Supply Line Adapter for Plumbing Water Hose 2 Pieces - - Amazon.com
Husky 1/2 in. Female to 3/8 in. Male Drive Adapter HADPTR1238 - The Home Depot
Brass Pipe Fittings, Water Hose Adapter, G 1/2 Female to G 3/8 Male Reducer Adapter, Compression Fitting for Kitchen Bathroom Faucet, Pipe Connector with Rubber Washer,(2 Pack) - - Amazon.com
Threading Adapter, NPT 1/2 Male to G 1/4 Female
Charlotte Pipe 1-1/2 in. PVC Schedule 40 MPT x S Male Adapter PVC021091400HD - The Home Depot
Brass, 1/2 in x 1/4 in Fitting Pipe Size, Reducing Adapter - 46M452|706120-0804 - Grainger
Amazon.com: FasParts 1/2" Female NPT FPT FIP to 1/4" Male MPT MIP Brass Pipe Adaptor Fitting Fuel/Air/Water/Boat/Gas/Oil WOG Military Grade : Industrial & Scientific
Refrigeration Adapter, 1/4" N.P.T. male x 1/2" ACME (R134A) Male, Less Valve Cor | eBay