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 5930-01-460-8517
NSN 6645-01-194-3214
NSN 6105-00-865-2746
NSN 6105-01-555-7874
NSN 5910-00-552-9997
NSN 6685-01-634-0611
NSN 5960-00-324-7291
NSN 7035-01-106-3476
NSN 6650-01-308-9394
NSN 5945-01-019-6922
NSN 6150-00-062-4602
NSN 6610-00-371-5953