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 5910-00-598-3674
NSN 5975-01-485-3458
NSN 5975-01-509-6334
NSN 5999-01-160-6595
NSN 5965-01-078-6776
NSN 6150-00-409-9018
NSN 5905-01-424-4177
NSN 5996-01-501-2519
NSN 5985-01-346-0032
NSN 6220-01-570-1647
NSN 6135-00-057-2005
NSN 6145-00-681-1585