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 7035-00-392-5417
NSN 4140-01-543-0645
NSN 6320-01-274-2501
NSN 6130-01-369-1188
NSN 5998-01-095-3246
NSN 5945-00-363-9481
NSN 5835-01-286-6499
NSN 5910-00-596-2676
NSN 5925-01-187-0695
NSN 6240-01-401-5340
NSN 5998-01-523-3910
NSN 5835-01-518-4300