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 6240-00-485-9986
NSN 4140-00-116-1022
NSN 6320-01-506-9439
NSN 6240-01-050-6743
NSN 5999-01-443-1765
NSN 6220-00-471-4011
NSN 5998-01-211-6035
NSN 6105-01-408-6263
NSN 5998-00-468-0421
NSN 5965-01-328-7979
NSN 6645-01-660-1446
NSN 5960-01-004-5483