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 6320-00-405-2348
NSN 5945-01-119-3255
NSN 6220-01-285-3304
NSN 5930-01-130-4326
NSN 5930-01-196-4103
NSN 5965-00-122-6426
NSN 5950-01-512-0480
NSN 5960-00-529-2704
NSN 6240-01-007-7987
NSN 5965-00-113-9748
NSN 6240-00-783-2853
NSN 6610-00-273-9019