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 4140-01-215-0298
NSN 5920-01-590-0493
NSN 7035-01-115-8996
NSN 5965-01-484-2743
NSN 6110-00-602-3857
NSN 5950-01-383-6786
NSN 5990-00-945-9914
NSN 5895-01-321-4664
NSN 6240-00-079-1759
NSN 5950-01-184-0030
NSN 6610-01-583-4539
NSN 5999-01-182-5447