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 6110-01-605-2450
NSN 5945-00-839-0329
NSN 5965-01-320-1808
NSN 5996-01-537-0084
NSN 5965-00-840-6542
NSN 5990-00-173-2816
NSN 5920-01-159-0096
NSN 5915-01-442-9231
NSN 6105-00-909-8189
NSN 5999-01-499-1988
NSN 5950-01-362-2760
NSN 5998-01-188-7341