Do it 5/8 In. x 1/2 In. Brass Male Union Compression Adapter - Town Hardware & General Store
Minimprover 4 Pack Brass 1/2 Inch Pex x 5/8 Inch OD Compression Straight Connecter Adapter Fitting, Pipe Fittings - Canada
5/8″ Tube x 1/2″ Pipe, D.O.T 90° Male Pipe Elbow, Air Brake Fitting, For SAE J844D Nylon Tube (1469-10D)
Lasco 5/8 In. C x 1/2 In. FPT Brass Compression Adapter - Power Townsend Company
World Wide Metric, Inc.
5/8 x 1/2 Brass DOT Metal Line Compression - Male NPT Connector 1168-10D - Prairie Bearing & Bolt
Pro Trucking Products: 1/2 Pipe Thread X 5/8 Nylon Tubing 90 Degree Male Elbow Compression Fitting
Compression Fittings for Plumbing
PlumbShop Brass Compression Fitting, 3/8-in OD x 1/2-in MIP, 1-pk