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 6150-01-210-7760
NSN 5965-00-940-7028
NSN 6650-00-259-2605
NSN 6650-01-383-4526
NSN 5915-01-472-4169
NSN 5935-01-327-4687
NSN 5945-01-560-6336
NSN 4140-00-090-6536
NSN 5985-01-649-3547
NSN 5960-01-439-9517
NSN 6220-01-060-6561
NSN 5998-01-265-1071