Barbed Swivel Nut 5/16" for Beer and Gas

5/16" ID barbed fitting is suitablefor use with any standard 5/16” tubing.  ¼”FFL swivel nut (female flare) is compatible with ¼” MFL (male flare) fittings (commonlyfound on ball lock and pin lock disconnects, regulators and gasmanifolds).  A flared nylon washer (not included) can be added to use with metal-to-metalconnections to prevent leaks.