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 4140-01-496-2114
NSN 5965-01-476-4228
NSN 6110-00-920-1404
NSN 5996-01-173-0602
NSN 6240-00-923-0758
NSN 5998-00-422-9031
NSN 5975-01-590-1040
NSN 5920-01-391-7624
NSN 5925-01-364-0771
NSN 5835-01-381-2683
NSN 6130-00-723-4119
NSN 5996-01-100-2952