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 5985-00-446-0074
NSN 5915-01-135-7334
NSN 5930-01-335-6141
NSN 5965-01-332-6693
NSN 6645-00-248-5434
NSN 5950-01-023-8328
NSN 5905-01-568-0735
NSN 5965-00-917-6996
NSN 6110-00-636-1234
NSN 5915-00-547-2520
NSN 5950-00-944-7701
NSN 5835-01-623-3328