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 5975-01-054-1834
NSN 5915-00-156-1699
NSN 6130-01-502-5619
NSN 5835-00-378-1429
NSN 5975-00-236-0841
NSN 6105-00-077-1166
NSN 5835-01-558-9444
NSN 6150-00-838-0246
NSN 5985-01-511-5596
NSN 5985-01-507-1589
NSN 5950-01-092-3194
NSN 5930-01-519-9318