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 5905-01-383-4615
NSN 5965-01-651-7274
NSN 6135-01-386-5709
NSN 5985-01-245-9064
NSN 5945-00-150-3034
NSN 5998-00-922-1611
NSN 6320-00-886-9771
NSN 5905-01-286-0656
NSN 6105-01-575-4869
NSN 6620-00-518-3595
NSN 5895-01-456-8415
NSN 5950-01-543-2501