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 6610-01-468-4745
NSN 5910-01-445-0030
NSN 5965-00-686-7067
NSN 5930-00-516-1217
NSN 5855-00-631-4565
NSN 2925-01-348-8306
NSN 5910-00-451-6389
NSN 5835-00-236-5034
NSN 5935-00-251-7602
NSN 5945-01-334-1341
NSN 6620-01-550-2805
NSN 5965-01-483-4447