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 5910-01-067-9859
NSN 5915-01-425-2303
NSN 4140-00-540-1982
NSN 5999-01-077-5649
NSN 6645-00-829-8868
NSN 5925-00-599-6339
NSN 5915-00-715-2350
NSN 6145-01-301-7908
NSN 2925-01-656-8217
NSN 5930-00-524-6893
NSN 5905-00-106-8274
NSN 6650-01-442-5441