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 6650-01-519-9165
NSN 6645-00-958-5299
NSN 2925-00-404-6461
NSN 6610-00-609-7168
NSN 6105-01-348-2141
NSN 6105-01-155-9347
NSN 5996-01-129-2949
NSN 5950-01-561-8557
NSN 6130-01-235-9103
NSN 5950-00-532-0798
NSN 5990-01-227-0660
NSN 6620-01-146-4680