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 5935-01-421-4418
NSN 5975-00-646-8887
NSN 5950-01-541-5016
NSN 5925-01-254-2578
NSN 5945-01-422-2529
NSN 6240-00-761-2244
NSN 6685-01-014-5336
NSN 6105-01-141-6912
NSN 6620-01-233-2583
NSN 6135-01-532-7951
NSN 5960-00-369-8018
NSN 6240-01-283-0404