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 6105-00-130-6961
NSN 5965-00-187-5523
NSN 5965-00-617-5731
NSN 6130-00-596-9565
NSN 5835-01-232-6904
NSN 6220-01-607-6154
NSN 6145-00-500-4993
NSN 6150-00-265-7799
NSN 6620-01-446-6571
NSN 5925-01-331-8636
NSN 5999-01-278-8341
NSN 5945-01-313-2052