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 4140-01-419-0198
NSN 5905-01-104-9844
NSN 5950-00-133-8953
NSN 5975-00-224-8756
NSN 5915-00-856-7903
NSN 5996-00-236-7712
NSN 5990-01-433-1471
NSN 6620-01-227-7219
NSN 6610-01-356-2990
NSN 5920-00-478-1280
NSN 6320-00-300-5556
NSN 5835-00-187-1481