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 2925-01-033-8948
NSN 5965-01-607-0632
NSN 5935-01-396-9069
NSN 6135-00-777-5562
NSN 6145-01-141-7937
NSN 6650-00-973-9533
NSN 5998-00-972-0393
NSN 6240-01-401-5340
NSN 5990-00-301-3386
NSN 5990-01-568-5565
NSN 5965-01-082-6800
NSN 6150-01-396-3092