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 6650-01-063-6604
NSN 5996-00-176-0999
NSN 6650-00-832-4679
NSN 6620-00-264-8030
NSN 5998-01-530-5110
NSN 5945-00-822-8762
NSN 5910-00-410-2853
NSN 5985-01-650-1811
NSN 6610-00-967-6698
NSN 6610-01-487-7256
NSN 6135-01-222-5464
NSN 5930-00-984-0035