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 steel
NSN 4140-00-907-0775
NSN 5855-01-027-1571
NSN 5935-01-358-2681
NSN 6240-00-594-7138
NSN 5965-00-909-5345
NSN 5835-01-158-6878
NSN 6685-00-670-0895
NSN 5985-01-440-9350
NSN 6130-01-317-2328
NSN 5998-01-616-9376
NSN 5999-00-821-9098
NSN 5975-01-652-0751