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 5990-00-008-8466
NSN 5930-01-049-9887
NSN 6135-01-514-2668
NSN 5930-01-203-0030
NSN 2925-00-497-7808
NSN 5855-01-264-8599
NSN 5998-01-278-4674
NSN 5855-01-122-9418
NSN 5855-00-079-2370
NSN 6645-00-300-0401
NSN 5835-01-495-0595
NSN 5915-01-330-4052