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 5990-01-197-6922
NSN 5975-01-363-4610
NSN 5985-01-298-1162
NSN 5895-01-222-0110
NSN 5996-01-112-0154
NSN 5990-01-591-8797
NSN 5998-00-346-2770
NSN 4140-01-046-1530
NSN 5835-01-034-1255
NSN 6320-01-443-0974
NSN 6220-00-590-8638
NSN 6240-00-185-8367