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 6150-01-479-4359
NSN 5945-01-355-5385
NSN 5895-01-264-5260
NSN 5965-01-487-3247
NSN 5835-01-180-9441
NSN 6240-00-841-0189
NSN 6110-00-104-8009
NSN 6105-01-244-7778
NSN 6620-00-140-8644
NSN 6650-01-555-8819
NSN 5935-00-529-0407
NSN 6610-01-412-5776