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 4140-01-190-1023
NSN 5990-00-419-0236
NSN 5965-01-321-3744
NSN 6610-01-425-1523
NSN 6150-00-872-6000
NSN 6135-00-027-3914
NSN 6105-00-821-4659
NSN 5935-00-725-5767
NSN 6110-01-099-6893
NSN 5950-00-594-9172
NSN 5895-01-476-8688
NSN 5855-01-508-6917