Earl's 961946LERL Earl's Inverted Flare to AN Adapter Fitting
Swivel Female Flare x Solder Adapter - JB Industries
Amazon.com: AIVS 4 Pieces 6014 Vacuum Pump Adapter 1/4 Inch Flare Female to 1/2 Inch Male and 6015 R134A Brass Refrigerant Tank Adapter to R12 Fitting Adapter 1/2" Female to 1/4" Male
2pcs Brass Tube Fitting Sae 45 Degree Flare Adapter 1/4" 5/16" 3/8" 1/2" Sae Male X 1/4" Npt Male Quick Connector - Pipe Fittings - AliExpress