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 5855-01-268-6468
NSN 5945-00-781-4296
NSN 7035-01-521-3449
NSN 5990-01-480-9938
NSN 5998-00-538-5765
NSN 5996-01-438-5839
NSN 5895-01-449-1839
NSN 5855-00-058-1293
NSN 6150-01-587-2886
NSN 7035-01-513-0388
NSN 6135-00-660-8654
NSN 5910-01-392-1150