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 5915-01-629-9897
NSN 5950-00-997-3344
NSN 6610-01-361-8965
NSN 7035-01-651-4199
NSN 5835-01-136-3394
NSN 5999-00-508-7700
NSN 5985-01-465-9370
NSN 7035-01-605-9159
NSN 6135-01-449-2144
NSN 5895-00-004-1322
NSN 5990-00-950-6890
NSN 5990-01-357-6175