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 6650-01-321-8823
NSN 6150-01-040-9366
NSN 6145-00-162-6230
NSN 6110-00-893-5076
NSN 5950-00-637-6131
NSN 5855-00-631-4565
NSN 5945-01-171-6560
NSN 5950-01-276-1855
NSN 5835-00-804-0569
NSN 5915-01-546-4186
NSN 4140-01-513-8934
NSN 5945-00-401-9114