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 5965-00-295-7482
NSN 6130-00-719-7219
NSN 6150-00-933-9803
NSN 5835-01-014-4574
NSN 5960-00-594-0824
NSN 5945-00-099-9857
NSN 5996-01-345-2665
NSN 5990-01-517-7848
NSN 5905-01-104-4802
NSN 5905-00-087-2256
NSN 5945-01-466-3120
NSN 2925-00-626-5027