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 5930-01-560-3433
NSN 5895-01-082-1805
NSN 5930-01-421-1798
NSN 5965-00-007-7863
NSN 5960-00-485-8800
NSN 5930-00-262-9946
NSN 5998-01-362-8842
NSN 6620-01-161-3704
NSN 5985-01-107-5304
NSN 7035-01-450-2289
NSN 6620-00-216-6416
NSN 5945-01-198-6974