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 4140-00-163-6200
NSN 5895-01-445-0326
NSN 5996-00-079-7045
NSN 6620-00-627-3688
NSN 5915-00-233-6346
NSN 5945-00-402-1852
NSN 6105-01-303-7027
NSN 2925-01-609-0417
NSN 6220-01-027-6244
NSN 6105-01-035-5387
NSN 6240-01-492-6147
NSN 5930-01-126-1541