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 5975-01-016-9493
NSN 6645-00-239-5743
NSN 4140-01-224-2847
NSN 5835-00-217-2147
NSN 5998-01-628-8207
NSN 5930-01-501-7233
NSN 5996-01-235-1643
NSN 5915-01-021-1646
NSN 5930-00-553-6055
NSN 6610-01-541-5034
NSN 6150-00-760-9395
NSN 5935-00-966-4920