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 5990-01-546-1649
NSN 5998-01-107-5412
NSN 5895-01-566-0038
NSN 4140-01-319-7786
NSN 6650-01-243-7789
NSN 5950-00-349-4978
NSN 6220-01-293-1322
NSN 5999-00-664-1818
NSN 5960-01-281-5437
NSN 6645-01-481-4418
NSN 6150-00-078-3489
NSN 5990-01-116-2181