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 5950-01-216-7196
NSN 5975-00-428-1683
NSN 5990-01-058-4826
NSN 5945-00-952-6072
NSN 5835-01-193-6192
NSN 6620-01-032-3937
NSN 6220-01-011-9981
NSN 6320-01-390-2242
NSN 5965-00-062-0559
NSN 6150-01-003-1054
NSN 5935-01-272-2694
NSN 5965-01-369-8016