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 6620-01-633-8443
NSN 4140-00-307-2732
NSN 6620-01-606-4067
NSN 5985-01-254-4534
NSN 6610-00-437-5681
NSN 5998-00-907-8814
NSN 2925-01-656-8217
NSN 6620-01-580-0883
NSN 5895-01-559-4680
NSN 6145-01-422-0806
NSN 6320-01-017-5274
NSN 5985-01-328-8072