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 5975-01-218-7186
NSN 5835-01-248-0563
NSN 5998-00-110-2345
NSN 5895-01-544-6432
NSN 5960-01-256-6956
NSN 6110-00-954-0718
NSN 2925-00-051-1467
NSN 5905-00-548-4733
NSN 6610-00-186-9180
NSN 5996-01-145-4357
NSN 5999-01-164-7987
NSN 5945-01-502-8158