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 6685-01-318-5996
NSN 5920-01-142-5750
NSN 6220-01-158-2871
NSN 6145-01-605-0948
NSN 6135-00-248-4102
NSN 5930-01-421-3329
NSN 6620-01-231-9731
NSN 6685-00-902-2278
NSN 6150-01-265-1003
NSN 5960-01-460-0115
NSN 5895-01-614-1928
NSN 5996-01-290-4844