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 5855-01-047-9267
NSN 7035-01-326-0868
NSN 5960-01-507-9112
NSN 5920-01-218-6191
NSN 6130-00-229-7352
NSN 6105-01-483-2102
NSN 6620-00-998-6191
NSN 6220-01-063-7287
NSN 5965-00-543-1837
NSN 7035-01-191-2822
NSN 6110-01-472-8767
NSN 5905-00-528-9975