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 5950-00-134-6554
NSN 5925-01-294-0379
NSN 6150-01-219-8696
NSN 6320-01-600-5808
NSN 5920-01-155-5518
NSN 5975-00-280-6744
NSN 5998-01-538-1970
NSN 5945-00-581-1981
NSN 5835-01-055-6063
NSN 6320-01-318-6518
NSN 6105-00-681-6261
NSN 4140-01-229-2742