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 5998-00-959-6885
NSN 5945-01-419-6187
NSN 6240-01-199-7653
NSN 6320-01-125-3361
NSN 5960-01-420-4744
NSN 5895-01-519-8742
NSN 2925-01-535-7235
NSN 5999-01-014-0872
NSN 5930-01-400-0892
NSN 5905-01-084-2482
NSN 6110-01-627-5898
NSN 5920-01-307-9286