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 5835-01-538-1804
NSN 5910-01-631-4054
NSN 5920-01-259-1602
NSN 6145-01-496-0346
NSN 2925-01-625-6841
NSN 6135-01-366-9633
NSN 5895-00-302-4110
NSN 5915-01-062-0592
NSN 6650-01-449-1413
NSN 5905-01-204-4676
NSN 5945-01-461-2401
NSN 6620-00-546-6071