Parker - Industrial Pipe Adapter: 3/4" Female Thread, 1/2" Male Thread, MNPTF x FNPTF - 83295592 - MSC Industrial Supply
U.S. Solid 2pcs Brass Pipe Fitting Adapter, Male Pipe x Female Pipe, 1/2" x 1/2", 1/2" x 3/4", 1/4"x 1/4", 1/4" x 3/8", 1/8" x 1/4", 1/8" x 1/8", 3/8" x 3/8" -
Aluminum Adapter, 3/4" Male to 1/2" Female NPT | Air & Hydraulic Equipment,Inc.
3/4" Male to 1/2" Female Adapter - Smoky Lake Maple Products, LLC
MissMin 1/2 NPS female to 3/4 NPT male adapter,Brass Reducing Hex Bushing - - Amazon.com
Amazon.com : M MINGLE Garden Hose Adapter, 3/4 Inch GHT to 1/2 Inch NPT, Double Male and Female Brass Connector, with Extra 8 Washers : Patio, Lawn & Garden