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 5985-01-091-3292
NSN 5999-01-202-8282
NSN 6650-00-127-4581
NSN 6105-01-541-7621
NSN 5965-01-213-7256
NSN 6105-00-434-6619
NSN 5999-01-081-0984
NSN 6645-01-084-9074
NSN 6645-01-567-8282
NSN 6240-01-389-6918
NSN 6650-01-590-6061
NSN 5999-01-168-8293