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 5915-01-510-3867
NSN 5996-01-372-5063
NSN 5998-00-089-3800
NSN 6145-01-130-5149
NSN 5999-01-411-6203
NSN 5960-01-007-6811
NSN 6240-00-079-1759
NSN 5999-01-144-0383
NSN 6105-01-167-4846
NSN 5910-01-381-3009
NSN 5996-00-685-8438
NSN 6220-01-128-5814