3/8" Hose ID x 3/8" 45° Male Flare Brass Barb Fitting, 5/8"-18 Threaded. SAE male has 45° flare which seals against 45° seat in female. Male can also seal against 45° flared tubing with nut and sleeve. 150 PSI maximum working pressure. -40° to 160° temperature rating. Not deemed lead free. Not for use with potable water. Please Note: NPT Thread size is NOT determined by its outside thread diameter in inches.