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 6220-01-434-0582
NSN 6220-00-269-8396
NSN 6685-01-407-3282
NSN 4140-01-466-0217
NSN 5996-01-220-8021
NSN 4140-01-065-1884
NSN 5985-01-084-5308
NSN 5895-01-608-1734
NSN 6320-01-567-7198
NSN 5920-01-120-9088
NSN 5998-01-563-9628
NSN 5975-01-271-8041