LASCO 17-4873 3/8-Inch Male Texas Fine Flare by 1/2-Inch Male Pipe Thread Adapter Used To Adapt Gas Lines To Pipe Thread 3/8" Male Texas Fine Flare 1/2" Male Pipe Thread Brass flare fitting 3/8-Inch, Texas fine flare thread Actual thread size, 9/16-Inch by 24 thread, flare Male pipe adapter Typical application, Dearborn style wall, or portable furnaces