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 5996-00-926-2528
NSN 5965-01-537-0023
NSN 5996-01-633-7979
NSN 5910-01-615-8587
NSN 5950-00-197-1979
NSN 5950-00-102-8885
NSN 6105-00-244-1729
NSN 5915-01-466-2773
NSN 6110-01-179-1653
NSN 4140-00-580-0716
NSN 5945-01-475-8117
NSN 6240-01-577-6745