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 6130-01-386-7298
NSN 6610-01-041-1880
NSN 5945-01-431-8124
NSN 5960-01-289-5272
NSN 4140-01-580-0277
NSN 5935-01-423-8653
NSN 6150-01-013-0998
NSN 5925-00-767-0284
NSN 5920-00-758-6150
NSN 5915-01-214-3170
NSN 5920-01-390-8273
NSN 5930-01-387-7754