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 6240-01-554-5693
NSN 6645-01-100-3296
NSN 6240-01-650-1742
NSN 6685-00-809-7599
NSN 5950-01-145-7774
NSN 7035-00-946-2642
NSN 6145-00-813-0343
NSN 5990-01-084-0807
NSN 5996-00-196-7258
NSN 5975-00-832-7575
NSN 5915-00-203-2380
NSN 5935-01-385-4275