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 4140-00-771-0584
NSN 5945-01-040-9295
NSN 5975-01-657-6980
NSN 5855-00-237-4088
NSN 5960-00-234-5961
NSN 6320-00-116-3658
NSN 5930-01-649-4734
NSN 5855-01-400-1590
NSN 6320-00-557-3079
NSN 5950-00-357-3812
NSN 4140-00-170-5152
NSN 7035-01-625-5937