Mcdonnell douglas av-8b aircraft
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 6110-00-946-5384
NSN 6220-01-400-0637
NSN 5925-01-044-0576
NSN 6105-00-448-4518
NSN 6110-01-583-5547
NSN 6240-00-926-7788
NSN 5935-00-572-7700
NSN 5920-00-250-2687
NSN 6685-00-707-4842
NSN 6620-00-314-7989
NSN 6240-01-633-9357
NSN 5915-01-049-5027