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 4140-01-412-0403
NSN 2925-00-766-1278
NSN 6320-01-456-6300
NSN 6220-01-314-4677
NSN 5945-01-546-2343
NSN 2925-00-001-4604
NSN 5905-01-406-4005
NSN 5945-00-691-0509
NSN 6145-01-351-1935
NSN 6620-00-456-0404
NSN 5925-00-243-1474
NSN 6110-01-633-1750