0.875 in dia
A normally open valve which permits the passage of air or gases in both directions but prevents the passage of liquids in one direction. The action is controlled by a buoyant flow control device which rises against its seat when liquids are present therein.
NSN 5975-00-357-6136
NSN 5990-01-150-7443
NSN 5835-01-502-9228
NSN 5915-00-612-7461
NSN 5999-01-646-0074
NSN 5998-00-281-4733
NSN 4140-01-503-1420
NSN 6150-00-361-6814
NSN 5998-01-357-7591
NSN 5915-01-220-2979
NSN 5915-01-417-2058
NSN 6105-01-499-2856