Image Oxygen and Acetylene Welding Hose Stem Markets Maintenance Repair Operations (MRO) Product Options Part Number Size Length Material 1520306S 3/16" Barb 1.35" C360 Brass 1520309S 3/16" Barb 1.44" C360 Brass 1520409S 1/4" Barb 1.44" C360 Brass 1520509S 5/16" Barb 1.44" C360 Brass 1520609S 3/8" Barb 1.44" C360 Brass