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 5945-00-348-2740
NSN 6240-00-364-0850
NSN 5920-00-873-9514
NSN 5925-01-317-3869
NSN 6145-00-046-4568
NSN 5915-00-522-1927
NSN 6105-01-359-9504
NSN 5999-01-479-7261
NSN 5935-01-014-4448
NSN 2925-00-275-1807
NSN 6145-00-110-6932
NSN 6685-00-596-8765