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 6240-00-735-7599
NSN 6620-00-146-3465
NSN 6685-01-338-9170
NSN 6110-01-421-4449
NSN 5990-01-180-7365
NSN 6135-00-998-5884
NSN 5975-00-874-6950
NSN 6685-01-137-5710
NSN 5895-00-617-6340
NSN 5998-01-147-5597
NSN 5945-01-175-5779
NSN 5855-01-552-4759