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 5996-01-597-0977
NSN 5915-01-254-2128
NSN 6645-00-494-3065
NSN 5915-01-099-1018
NSN 5935-01-088-9583
NSN 6150-01-537-0874
NSN 5996-01-218-4246
NSN 5950-00-513-9596
NSN 5965-01-243-3307
NSN 6105-01-063-7704
NSN 5975-00-518-0780
NSN 5996-00-623-6651