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 5960-01-151-1152
NSN 5945-01-422-0381
NSN 6650-01-502-6013
NSN 5985-01-181-5627
NSN 6610-01-393-9997
NSN 5965-01-496-1633
NSN 6145-01-413-2079
NSN 5998-00-041-7644
NSN 5895-00-737-4831
NSN 4140-00-320-1482
NSN 6220-01-027-1294
NSN 6110-00-177-8755