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 6150-01-519-1852
NSN 6685-00-527-6545
NSN 7035-00-902-8995
NSN 5996-01-606-9454
NSN 5998-01-394-5249
NSN 5920-01-475-4172
NSN 6620-01-053-6650
NSN 5965-01-558-2097
NSN 5835-01-416-6455
NSN 5985-01-168-8546
NSN 5915-01-387-5302
NSN 5945-00-943-1954