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 5975-00-293-8166
NSN 6145-00-222-1356
NSN 6645-00-183-8812
NSN 6645-00-256-4072
NSN 6220-00-870-9967
NSN 5990-00-174-6695
NSN 6150-01-273-6535
NSN 6645-01-040-2295
NSN 7035-00-470-4977
NSN 5935-00-959-8561
NSN 5835-01-286-3600
NSN 6105-00-501-3809