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 5835-00-980-0468
NSN 2925-01-123-5856
NSN 5975-00-117-1084
NSN 6620-00-050-1086
NSN 6135-01-386-5709
NSN 6320-01-569-2672
NSN 7035-01-158-7673
NSN 6685-01-627-4226
NSN 5835-00-392-8716
NSN 6320-01-378-6191
NSN 6650-00-246-3751
NSN 6610-01-582-3547