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 6130-00-110-3669
NSN 5960-01-530-0581
NSN 6610-01-182-1182
NSN 5910-00-155-8775
NSN 5999-01-657-1838
NSN 6145-01-441-4239
NSN 5920-00-969-9279
NSN 6645-01-400-2119
NSN 6135-00-315-1187
NSN 5975-01-594-5395
NSN 5915-01-189-8536
NSN 6645-01-633-1852