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 5855-00-185-1560
NSN 6685-00-505-1164
NSN 6220-01-473-8164
NSN 6685-00-930-1769
NSN 5895-00-008-5256
NSN 5960-01-425-1454
NSN 6105-00-281-3395
NSN 5945-01-446-9221
NSN 5960-01-370-4285
NSN 5990-01-355-4694
NSN 5920-00-405-8469
NSN 5975-01-502-7084