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 6320-01-227-2648
NSN 5935-01-521-3291
NSN 6150-01-196-6329
NSN 5996-00-136-1240
NSN 7035-01-560-1065
NSN 5930-01-303-0979
NSN 2925-01-177-1598
NSN 5915-01-375-9264
NSN 6105-01-420-6833
NSN 2925-01-049-8906
NSN 5925-01-464-2734
NSN 6220-00-806-7666