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 materials other than copper, iron or steel
NSN 5945-01-423-0045
NSN 5925-00-435-8391
NSN 6105-01-088-7780
NSN 5895-00-244-0943
NSN 5895-00-643-3980
NSN 5920-00-362-1376
NSN 6240-00-011-5273
NSN 6220-01-455-1935
NSN 5920-00-705-2916
NSN 5975-00-495-3345
NSN 5835-00-513-9680
NSN 6135-01-084-1609