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.
Classification: Check valves of copper having a pressure rating of 850 kpa or over
NSN 5998-01-457-8811
NSN 5975-01-132-7517
NSN 6150-01-181-0086
NSN 5835-00-707-6266
NSN 6645-01-358-4907
NSN 6620-01-622-9976
NSN 5990-01-378-5443
NSN 5895-01-551-6749
NSN 5975-01-634-0678
NSN 4140-01-248-0020
NSN 5985-01-428-4484
NSN 4140-01-484-9108