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 5905-00-233-6407
NSN 5915-01-581-5234
NSN 5998-01-020-7848
NSN 5935-01-529-7868
NSN 6610-01-406-6696
NSN 5945-01-448-4220
NSN 4140-01-486-4884
NSN 5905-01-188-7743
NSN 5950-00-539-0791
NSN 6145-01-375-2972
NSN 5910-01-091-7292
NSN 5915-00-276-8332