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 6150-01-522-6418
NSN 6220-01-505-7180
NSN 5905-01-044-5890
NSN 5925-01-425-2679
NSN 5905-00-272-9259
NSN 5915-01-424-3186
NSN 6110-00-246-3941
NSN 5935-00-618-6058
NSN 6685-01-363-4028
NSN 6620-00-828-3842
NSN 5965-01-343-6983
NSN 5835-00-063-0390