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 5999-01-531-0112
NSN 5835-00-348-8549
NSN 5965-01-247-5696
NSN 5935-00-159-8022
NSN 6145-01-056-5171
NSN 5950-01-656-1137
NSN 6130-00-900-2614
NSN 5999-01-318-3396
NSN 6150-01-447-2766
NSN 5935-01-459-2226
NSN 5999-01-517-9332
NSN 5835-01-316-3255