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 6610-01-580-0766
NSN 5999-01-507-0588
NSN 6150-01-326-7770
NSN 5999-00-403-5760
NSN 6610-00-175-7250
NSN 5935-01-254-2489
NSN 5930-00-893-9438
NSN 5945-01-520-7946
NSN 6145-01-488-5114
NSN 6610-00-889-8440
NSN 5905-01-052-5095
NSN 5996-01-328-8018