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 6130-01-375-9462
NSN 6150-00-723-3839
NSN 6610-01-107-9584
NSN 5965-00-722-7574
NSN 5895-01-054-4104
NSN 5930-00-834-5081
NSN 5905-01-022-0613
NSN 4140-01-397-7790
NSN 5965-00-815-2525
NSN 5905-01-549-1824
NSN 4140-01-528-6681
NSN 5998-00-403-2001