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 5925-01-301-6698
NSN 5935-00-334-0401
NSN 6685-00-051-4845
NSN 5920-01-545-5160
NSN 6105-01-341-6142
NSN 5960-01-419-2167
NSN 6130-01-161-4483
NSN 5996-00-797-2603
NSN 5920-01-468-0186
NSN 6610-00-276-5030
NSN 5985-01-391-0913
NSN 5950-01-486-9451