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 5945-01-421-1808
NSN 6110-00-334-3361
NSN 5915-00-142-6912
NSN 6620-01-025-1443
NSN 5945-00-853-9070
NSN 5905-01-486-7812
NSN 5920-01-369-8588
NSN 6145-01-605-0948
NSN 6105-01-409-2023
NSN 5999-01-182-7461
NSN 5920-01-066-1799
NSN 5985-01-207-2292