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 6240-00-563-5846
NSN 5835-01-147-7526
NSN 6110-01-249-8064
NSN 5935-00-594-7793
NSN 5910-01-302-1065
NSN 5935-00-107-4288
NSN 5895-01-391-5682
NSN 6135-00-161-0746
NSN 6150-01-367-8745
NSN 6240-00-857-7514
NSN 2925-01-389-6874
NSN 5975-00-514-8614