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 5920-01-330-2842
NSN 5945-01-654-4479
NSN 5945-00-285-8740
NSN 6105-01-487-7484
NSN 6130-00-176-1664
NSN 5950-00-916-9881
NSN 5915-00-752-4458
NSN 2925-00-999-3363
NSN 4140-01-521-4316
NSN 5910-01-091-6259
NSN 6145-00-852-8159
NSN 5930-00-635-7587