Why won't this 3/8 male connector for a natural gas dryer fit a 3/8 female connector? - Home Improvement Stack Exchange
The Plumber's Choice 60 in. Yellow Coated Stainless Steel Flexible Gas Connector for Dryer Water Heater, 1/2 in. O.D. with 3/8 in. Fittings YC38-FTGC-60C - The Home Depot