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 5855-01-474-3325
NSN 5920-01-545-0661
NSN 5855-01-407-3739
NSN 4140-00-246-4969
NSN 6130-01-330-1371
NSN 6620-00-296-6762
NSN 6130-01-444-3909
NSN 5999-00-642-9021
NSN 5925-01-016-4069
NSN 5950-00-961-5897
NSN 6105-01-459-7902
NSN 5920-01-422-6107