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 5835-01-193-6192
NSN 6220-01-378-7467
NSN 5895-01-382-2092
NSN 6620-00-543-2534
NSN 5985-00-438-8569
NSN 5905-00-607-1363
NSN 5910-01-334-9759
NSN 6220-00-441-7202
NSN 6650-00-276-9838
NSN 5895-00-150-1200
NSN 5930-01-005-0343
NSN 5930-01-407-1832