The end connection identified above as the second end is the valve inlet
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 5835-01-286-6499
NSN 5996-00-443-8062
NSN 5935-00-636-9897
NSN 6130-01-375-3729
NSN 5950-00-935-0232
NSN 5855-01-528-2744
NSN 4140-01-468-2975
NSN 5998-00-514-3408
NSN 5999-01-317-3910
NSN 6645-01-651-9562
NSN 6320-00-149-7570
NSN 5960-01-157-2641