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 5855-01-130-1501
NSN 5999-01-426-2984
NSN 6320-01-624-0193
NSN 5910-01-585-7774
NSN 6645-01-437-9017
NSN 6240-01-457-0926
NSN 5935-00-985-0560
NSN 5920-01-379-7475
NSN 4140-00-016-2615
NSN 6105-00-897-7380
NSN 5975-01-079-7084
NSN 6240-01-212-9586