0.250 psi valve opening pressure
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 5915-01-621-8904
NSN 6685-01-414-9703
NSN 4140-00-969-3943
NSN 6685-01-487-4900
NSN 6610-01-219-3168
NSN 5998-00-941-5514
NSN 6610-00-216-6538
NSN 5920-01-268-7258
NSN 5910-00-889-2793
NSN 6610-01-576-8955
NSN 5920-01-279-2950
NSN 5965-01-648-1528