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 5925-01-588-1762
NSN 5835-00-794-7500
NSN 5999-00-419-0244
NSN 5935-00-319-4788
NSN 5905-01-472-9718
NSN 5999-01-485-3131
NSN 6620-01-423-0833
NSN 5965-01-049-8307
NSN 5905-00-472-3632
NSN 6105-01-495-0623
NSN 6220-01-149-0144
NSN 5935-01-543-6628