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 5975-01-503-4235
NSN 5999-01-474-0443
NSN 4140-00-690-5288
NSN 5935-01-308-7798
NSN 2925-01-139-5144
NSN 7035-01-066-2441
NSN 5855-00-482-9876
NSN 5945-01-629-3212
NSN 5905-00-770-5877
NSN 6685-01-154-0572
NSN 6645-01-070-7364
NSN 5895-01-315-1880