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 5965-01-132-4018
NSN 2925-00-185-1618
NSN 6145-00-377-0971
NSN 5990-01-208-4322
NSN 5965-01-141-6485
NSN 5999-00-185-6032
NSN 5985-01-474-5731
NSN 4140-00-355-5364
NSN 6105-01-432-4030
NSN 5915-01-612-3737
NSN 5999-00-222-4808
NSN 5975-01-260-9144