Barb Connector Fitting Side A Connection Type Barbed Fitting Side B Connection Type MNPT Fitting Side B Pipe Size 1/4 in Fitting Side A Tube Inner Diameter 1/4 in Fitting Material Stainless Steel Material Grade 316 Overall Length 25/32 in Specific Fitting Shape Straight Adapter Application Air Natural Gas Non-Potable Water Potable Water Propane Steam Maximum Operating Temperature 1 200 Degrees F Standards ASTM 31.3 Hex Size 1/2 in Minimum Operating Temperature 425 Degrees F