Fittings - Adapters1/2″ Male NPT x 5/8″ Barb AdapterSKU: 30-209 1/2” male NPT x 5/8″ barb adapter. Interested in pricing and more information about this product? Quantity Add to cart Add to quote Related products Fittings - AdaptersReusable 1/2″ x #10JIC Fitting View product Fittings - AdaptersReusable 3/8″ x O2 Fitting – Lenz 112R View product Fittings - AdaptersCGA-296 Nitrox Nipple View product