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 4140-01-157-3700
NSN 6645-01-091-8215
NSN 6145-01-032-4557
NSN 5990-00-959-1722
NSN 6145-01-444-4509
NSN 5910-01-080-7210
NSN 5905-00-821-6181
NSN 6645-00-522-4173
NSN 6320-00-360-1744
NSN 5985-00-279-9914
NSN 5990-00-362-1453
NSN 5965-01-028-6206