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 5905-01-483-1701
NSN 6240-01-131-9244
NSN 5950-01-398-8161
NSN 6130-01-518-6939
NSN 6240-01-342-5056
NSN 5920-01-502-3177
NSN 6110-01-597-6550
NSN 5910-01-567-2570
NSN 5990-01-144-4674
NSN 5985-01-146-4877
NSN 5935-01-502-9147
NSN 6685-00-227-0212