Adapter, -6 JIC Male » 5/8-18 UNF (ADF-6J5818UNX): AN JIC Male » Straigh UN Thread | Racetronix
Silencer adapter M17x1 to 5/8x24 TPI - Adaptateur & Silencieux
5/8" 18 UNF Male 3/8" Flare SAE x 3/8" NPT Male Coupler Connector Adapter Brass Pipe Fitting For Fuel Gas Water Valve|Pipe Fittings| - AliExpress
Weiler 07769 Adapter, 5/8"-11 UNC to 3/8"-16" (Pack of 10): Amazon.com: Industrial & Scientific
5/8"-18 Unf Male 3/8" Flare Sae X 1/4" Bspp Male Left Hand Coupler Connector Adapter Brass Pipe Fitting For Fuel Gas Water Valve - Pipe Fittings - AliExpress
Adaptor 5/8 in UNF for Water Temperature Sender 070.017