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 5998-00-163-9742
NSN 5905-01-265-5784
NSN 5855-01-013-6864
NSN 5975-00-276-7559
NSN 5998-01-322-9013
NSN 5975-01-138-6130
NSN 5920-01-125-4356
NSN 4140-01-594-6862
NSN 5935-01-403-2844
NSN 5985-01-586-4192
NSN 5950-01-646-1253
NSN 5950-01-204-4500