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 5920-01-281-9965
NSN 5985-01-618-4559
NSN 5895-01-041-3128
NSN 5935-01-072-3295
NSN 5905-01-305-2902
NSN 6220-01-160-7247
NSN 4140-01-542-1819
NSN 5975-00-468-6111
NSN 5975-01-448-0139
NSN 5990-01-560-0896
NSN 5915-01-562-4137
NSN 6685-01-229-3389