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 2925-01-505-1666
NSN 2925-01-074-9102
NSN 6650-01-554-8571
NSN 5905-01-349-0796
NSN 6650-01-425-7362
NSN 5895-01-174-0457
NSN 5895-00-898-4447
NSN 5895-00-264-2047
NSN 5945-01-452-5473
NSN 5895-01-648-1616
NSN 5965-01-417-3211
NSN 6240-00-159-4403