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 5965-01-503-0358
NSN 6650-00-731-8388
NSN 6240-01-142-2963
NSN 4140-01-049-8703
NSN 4140-01-256-0910
NSN 5935-01-170-8295
NSN 7035-01-471-6979
NSN 5855-00-087-3144
NSN 5930-00-441-6306
NSN 6320-01-478-9351
NSN 5998-01-351-6276
NSN 4140-01-225-2855