1/8" MNPT X 1/8" BSPP Female Brass Adapter (NPT X BSPP)
3/8" Male Flare to 1/2" Female NPT Coupling
1/2"-20 Inverted Flare Male to 1/8" NPT Female Adapter Fitting - Walmart.com
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" -
Nickson Exhaust Adapter: 2 1/8" Inside Diameter, 2" Outside Diameter, 4" Long 548514 - Advance Auto Parts
Amazon.com: Legines Brass Pipe Fitting, 1/8" NPT Female to 1/8" NPT Male Adapter, 1200psi High Pressure (Pack of 2) : Industrial & Scientific
U.S. Solid 2pcs Brass Reducer Hex Bushing Brass Threaded Pipe Fitting 3/8" NPT Male x 1/8" NPT Female Adapter - U.S. Solid
Amazon.com: Legines Brass Bushing 1/2" NPT Male x 1/8" NPT Female Reducer Adapter Forged Pipe Fitting 1200psi (Pack of 2) : Industrial & Scientific
MFC04-03 (Brass, 1/2" Female x 3/8" Male NPT) - Advanced Technology Products