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 5835-00-326-9761
NSN 4140-01-089-8004
NSN 5998-00-373-2560
NSN 5950-01-133-1480
NSN 6110-01-483-3739
NSN 5905-00-460-5817
NSN 5895-01-612-4352
NSN 2925-01-100-3694
NSN 6650-01-362-6591
NSN 6620-01-561-2798
NSN 6685-01-650-5326
NSN 6130-01-307-6434